SHARP AM400DE User Manual

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AM-400DE

MODEL SELECTION CODE DESTINATION

AM-400 DE

France

AM-400 F

AM-400 IT Italy

Germany

AM-400 SE

U.K.

AM-400 H

Sweden

SERVICE MANUAL

No. 00ZAM400DESME

DIGITAL MULTIFUNCTIONAL SYSTEM

Illustration: AM-400DE

CHAPTER 1. GENERAL DESCRIPTION

[1] Caution........................................................... 1-1

[2] Specifications ................................................. 1-3

[3] Operation panel.............................................. 1-4

[4] Transmittable documents ............................... 1-5

[5] Installation ...................................................... 1-6

CHAPTER 2. ADJUSTMENTS

[1] Adjustments ................................................... 2-1

[2] Diagnostics and service soft switches............ 2-7

[3] Troubleshooting ........................................... 2-30

[4] Error code table............................................ 2-31

CHAPTER 3. MECHANICAL DESCRIPTION

[1] Mechanical description................................... 3-1

[2] Disassembly and assembly procedures....... 3-18

CHAPTER 4. DIADRAMS

[1] Block diagram ................................................ 4-1

[2] Wiring diagram ............................................... 4-2

[3] Point-to-point diagram.................................... 4-3

CHAPTER 5. CIRCUIT DESCRIPTION

[1] Circuit description........................................... 5-1

[2] Circuit description of control PWB.................. 5-1

MODEL

CONTENTS

[3] Circuit description of LIU PWB ....................5-19

[4] Circuit description of power supply PWB......5-21

[5] Circuit description of CIS unit ......................5-23

[6] Circuit description of operation panel

[7] Data flow chart.............................................5-25

[8] Troubleshooting...........................................5-26

CHAPTER 6. CIRCUIT SCHEMATICS AND PARTS LAYOUT

[1] Control PWB circuit .......................................6-1

[2] LIU PWB circuit ...........................................6-14

[3] Power Supply PWB circuit...........................6-17

[4] High Voltage PWB circuit.............................6-19

[5] Operation Panel PWB circuit .......................6-22

CHAPTER 7. OPERATION FLOWCHART

[1] Protocol .........................................................7-1

[2] Power on sequence.......................................7-2

CHAPTER 8. OTHER

[1] Service tools ..................................................8-1

[2] Rewriting version up the FLASH ROM ..........8-2

Parts Guide

AM-400DE

PWB ............................................................5-24

Parts marked with " " are important for maintaining the safety of the set. Be sure to replace these parts with specified ones for maintaining the safety and performance of the set.

SHARP CORPORATION

This document has been published to be used for after sales service only. The contents are subject to change without notice.

AM-400DE

CHAPTER 1. GENERAL DESCRIPTION

Service Manual

[1] Caution

1. Laser caution

This laser facsimile is a class 1 laser product that complies with 21CFR 1040.10 and 1040.11 of the CDRH or IEC60825-1 standard. This means that this machine dose not produce a hazardous laser radiation. The use of controls, adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.

This laser radiation isn't a danger to the skin, but when an exact focusing of the laser beam is achieved on the eyes retina, there is danger of spot damage to the retina.

The following cautions must be observed to avoid exposure of the laser beam to your eyes at the time of servicing.

1) When a problem in the laser optical unit has occurred, the whole optical unit must be exchanged as a unit, not an individual part.

2) Do not look into the machine with the main switch turned on after removing the toner/developer unit and drum cartridge.

3) Do not look into the laser beam exposure slit of the laser optical unit with the connector connected when removing and installing the optical system.

4) The cover of Laser Printer Unit contains the safety interlock switch.

Do not defeat the safety interlock by inserting wedges or other items into the switch slot.

CLASS 1

LASER PRODUCT

LASER KLASSE 1

Laser Wave Length : 770 nm -795 nm Laser Pulse Times : 72.58 ns Laser Output Power : max. 4.0 mW

2. Life of consumable

Section Part Estimated Life Replaced by

Toner cartridge Replacement cartridge (AM-30DC) 3,000 prints (at Letter/5% chart) User Drum cartridge Replacement cartridge (AM-90DR) 20,000 prints (at Letter/5% chart) User Paper feed Transfer roller (Refer to the P/G No. 3-19)

(NROLR2525XHZZ)

Fuser Fusing unit (Refer to the P/G No. 5-901)

(CFRM-2265XH02)

Paper transport Feed roller (Refer to the P/G No. 3-29)

(NROLR2333XHZZ)

Unit AM-400 5 years or 50,000 prints of early either --------------------------

50,000 prints Service Engineer

Cleaning as needed --------------------------

1 – 1

3. Precautions for using Lead-Free Solder

1. Employing lead-free solder

This model employs lead-free solder.

This is indicated by the "LF" symbol printed on the PWB and in the service manual.

The suffix letter indicates the alloy type of the solder.

Example:

2. Using lead-free solder

When repairing a PWB with the "LF" symbol, only lead-free solder should be used. (Using normal tin/lead alloy solder may

result in cold soldered joints and damage to printed patterns.)

As the melting point of lead-free solder is approximately 40°C higher than tin/lead alloy solder, it is recommended that a

dedicated bit is used, and that the iron temperature is adjusted accordingly.

AM-400DE

Indicates lead-free solder of tin, silver and copper.

3. Soldering

As the melting point of lead-free solder (Sn-Ag-Cu) is higher and has poorer melting point (flow), to prevent damage to the

land of the PWB, extreme care should be taken not to leave the bit in contact with the PWB for an extended period of time.

Remove the bit as soon as a good flow is achieved.

The high content of tin in lead free solder will cause premature corrosion of the bit.

To reduce wear on the bit, reduce the temperature or turn off the iron when it is not required.

Leaving different types of solder on the bit will cause contamination of the different alloys, which will alter their

characteristics, making good soldering more difficult.

It will be necessary to clean and replace bits more often when using lead-free solder. Toreduce bit wear, care should be

taken to clean the bit thoroughly after each use.

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AM-400DE

[2] Specifications

1. Print specifications

Printer type: Toner cartridge yield*: (continuous printing, 5% page coverage, A4 paper) Drum cartridge yield*: (continuous printing, 5% page coverage, A4 paper) PC print speed: Resolution:

* The yields may vary depending on coverage and operating conditions.

Laser Initial starter cartridge (included with machine): Approx. 1500 pages Replacement cartridge AM-30DC: Approx. 3000 pages Initial starter cartridge (included with machine): 20,000 pages (average) Replacement cartridge AM-90DR: 20,000 pages (average) 12 ppm (pages per minute) 600 x 600 dpi (dots per inch)

2. Copy specifications

Copy speed: Copy quality settings: Copy resolution settings: Enlargement/Reduction: Contrast settings: Halftone: Multiple copies: Maximum copy size:

12 cpm (copies per minute) Text, Photo 300 dpi, 600dpi

25% to 400% 5 levels 256 levels Max. 99 copies per original Document glass: A4 Auto document feeder: A4

3. Fax specifications

Automatic dialing: Modem speed:

Transmission time*: Communication method: Compression scheme: Applicable telephone line: Memory size*:

Resolution:

Halftone: Reception modes:

* Based on Sharp Standard Chart at standard resolution, excluding time for protocol signals (i.e., ITU-T phase C time only).

100 Speed Dial numbers 33,600 bps with automatic fallback to lower speeds (lowest speed 2400 bps) Approx. 3 seconds Super G3, G3 MMR, MR, MH Analog public switched telephone network (TBR21) 2 MB (approx. 125 average A4 pages)

Horizontal: 8 dots/mm Vertical: Standard: 3.85 lines/mm

Fine/Halftone: 7.7 lines/mm Super fine: 15.4 lines/mm 256 levels FAX ONLY, EXT. TEL

4. Scanning specifications

Scanner type: Resolution: Scan speed: (TWAIN scanning using the auto document feeder; reading time only)

Compatibility: Grayscale: Color:

CIS (Contact Image Sensor) 300/600 x 300 dpi, 300/600 x 600 dpi Black and white: 300/600 x 300 dpi: 6 sec/page 300/600 x 600 dpi: 6 sec/page Color and grayscale: 300/600 x 300 dpi: 22 sec/page 300/600 x 600 dpi: 22 sec/page TWAIN, WIA 256 levels 24-bit color

5. General specifications

Auto document feeder: Computer connection:

Effective scanning width: Effective printing width: Display: Paper tray capacity: (A4-size plain paper)

Power requirements:

Operating temperature: Humidity: Noise emission:

Power consumption:

Dimensions:

Weight:

A4 size: 20 sheets max. (80 g/cm USB 2.0 or 1.1 port (USB 2.0 or 1.1 cable must be purchased separately) 208 mm max.

202 mm max. 16-digit LCD display 250 sheets (80 g/cm (At room temperature and normal humidity) 220 - 230 V AC, 50 Hz (U.K., Eire: 230 V AC, 50 Hz) 10 - 30°C 20 - 85% RH German Products and Equipment Safety Law, Part 3: Noise emission: The max. Acoustic Noise is 70 dB(A) or less according to EN ISO7779. Idle: 9 W Maximum: 870 W Width: 475 mm Depth: 420 mm Height: 370 mm Approx. 12.7 kg (including trays and toner and drum cartridges)

)

As a part of our policy of continuous improvement, SHARP reserves the right to make design and specification changes for product improvement without prior notice. The performance specifications figures indicated are nominal values of production units. There may be some deviations from these values in individual units.

Trademark information

• Microsoft, Windows and Internet Explorer are trademarks of Microsoft Corporation in the U.S.A. and other countries.

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[3] Operation panel

AM-400DE

COPY SCAN FAX

HELP

10511 12

1. Display

This displays messages and prompts to help you operate the machine.

2. ZOOM key

Press this key to select an enlargement or reduction setting when making a copy.

3. E-SORT key

Press this key when making multiple copies to have the copies collated (sorted into sets with the pages ordered 1, 2,

3..., 1, 2, 3..., etc.).

4. QUALITY key

When making a copy, press this key to select the type of original you are copying (TEXT, PHOTO). When sending a fax, press this key to select a resolution setting.

5. Right/left arrow keys

When making a copy, press either of these keys after selecting an enlargement/reduction setting with the ZOOM key to increase or decrease the setting by 1%. When sending a fax, press either of these keys to search through your autodial fax numbers.

6. MENU key

Press this key, followed by the left or right arrow key, to access special functions and settings.

7. CONTRAST key

Press this key to select a contrast setting when making a copy or sending a fax.

8. REDIAL key

Press this key followed by the Start key to automatically redial the last number dialed.

9. Stop key

Press this key to cancel operations before they are completed.

10. COPY key

Press this key to select copy mode.

DUPLEX SCAN

QUALITY

E-SORT

ZOOM

PRINT STOP

CONTRAST

ENTER

17 18 19

11. SCAN key

Press this key to select scan mode.

12. HELP (FAX key and SCAN key)

Press the FAX key and SCAN key simultaneously to print the HELP list, a brief guide to the operation of the machine.

13. FAX key

Press this key to select fax mode. When in fax mode, press this key to select the Line Monitor function.

14. Alarm indicator

This blinks when the toner cartridge nears empty or the drum cartridge is near or at the end of its life. This lights steadily when the toner cartridge is empty, the machine is out of paper, the print compartment cover is open, or when a paper jam has occurred (a message will appear to indicate the problem).

15. DUPLEX SCAN key

Press this key to copy or fax multiple two-sided pages.

16. PRINT STOP key

Press this key to cancel a print job sent to the machine from a computer.

17. ENTER key

Press this key to enter or select a setting.

18. BROADCAST key

Press this key to send the same fax to multiple destinations.

19. SPEED key

Press this key to dial a fax number using an abbreviated 2digit Speed Dial number.

20. Number keys

Use these keys to enter the number of copies, dial fax numbers, and enter numbers and letters when storing autodial numbers.

21. Start key

Press this key when you are ready to begin copying, faxing, or scanning. The key can also be pressed in the date and time display of fax mode to show the percentage of memory currently used.

REDIAL

BROADCAST

SPEED

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AM-400DE

[4] Transmittable documents

1. Document Sizes

Normal size Width 148 - 210 mm

Length 148 - 297 mm

(Max.)

5. Automatic Document Feeder Capacity

Number of pages that can be placed into the feeder at anytime is as follows:

Normal size: max. ADF 20 pages

Special size: single sheet only (manual feed) NOTE: • When you need to send or copy more pages than the feeder

limit, place additional pages in feeder when last page in feeder is being scanned.

• Place additional pages carefully and gently in feeder. If force is used, double-feeding or a document jam may result.

(Min.)

182mm

148mm 210mm

Use document carrier sheet for smaller documents.

• With special sizes, only one sheet can be fed into the machine at a time. Insert next page into feeder as current page is being scanned.

(Max.) A4 size

[Normal size]

297mm

216mm

[Special size]

356m

2. Paper Thickness & Weight

20 sheets 1 sheet(Manual)

Paper weight 21.5 lbs.

Paper thickness (ref.) 0.1 mm 0.1 mm ~ 0.18mm Paper size LGL (216 mm x 355.6 mm)

Feeder capacity A4/LTR: 10 sheets max.

(80 g/m

A4 (210 mm x 297 mm) LTR (216 mm x 279 mm)

LGL : 1 sheet max.

14 lbs. ~ 42 lbs.

(52 g/m

~ 157g/m

3. Document Types

• Normal paper

Documents handwritten in pencil (No. 2 lead or softer), fountain pen, ball-point pen, or felt-tipped pen can be transmitted.

Documents of normal contrast duplicated by a copying machine can also be transmitted.

• Diazo copy (blue print)

• Diazo copy documents of a normal contrast may be transmitted.

• Carbon copy

A carbon copy may be transmitted if its contrast is normal.

6. Readable Width & Length

The readable width and length of a document are slightly smaller than the actual document size.

Note that characters or graphics outside the effective document scanning range will not be read.

• Readable width

208mm, max

Readable widt

• Readable length

This is the length of the document sent minus 4mm from the top and bottom edges.

4mm

Readable length

4mm

4. Cautions on Transmitting Documents

• Documents written in yellow, greenish yellow, or light blue ink cannot be transmitted.

• Ink, glue, and correcting fluid on documents must be dry before the documents can be transmitted.

• All clips, staples and pins must be removed from documents before transmission.

• Patched (taped) documents should be copied first on a copier and then the copies used for transmission.

• All documents should be fanned before insertion into the feeder to prevent possible double feeds.

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[5] Installation

1. Site selection

Take the following points into consideration when selecting a site for this model.

ENVIRONMENT

• The machine must be installed on a level surface.

• Keep the machine away from air conditioners, heaters, direct sunlight, and dust.

• Provide easy access to the front, back, and sides of the machine. In particular, keep the area in front of the machine clear, or the original document may jam as it comes out after scanning.

• The temperature should be between 10 - 30°C.

• The humidity should be between 20% and 85% (without condensation).

ELECTRICITY: AC 220 - 230 V, 50 Hz, earthed AC outlet (U.K., Eire:230 V, 50 Hz, earthed (3-prong) outlet).

Caution!

• Connection to a power source other than that specified will cause damage to the equipment and is not covered under the warranty.

• If your area experiences a high incidence of lightning or power surges, we recommend that you install a surge protector for the power and telephone lines. Surge protectors can be purchased at most telephone specialty stores.

If the machine is moved from a cold to a warm place...

Condensation may form on the reading glass if machine is moved from a cold to a warm place, this will prevent proper scanning of documents for transmission. Turn on the power and wait approximately 2 hours before using machine.

TELEPHONE JACK

A standard telephone jack must be located near the machine. This is the telephone jack commonly used in most homes and offices.

• Plugging the fax machine into a jack which is not jack may result in damage to the machine or your telephone system. If you do not know what kind of jack you have, or need to have one installed, contact the telephone company.

AM-400DE

2) Releasing the scanner.

Before plugging in the power cord, pull the scanner release toward you to release the scanner lock.

• Caution: Plugging in the power cord without releasing the scan- ner lock may damage the machine.

If you need to move the machine:

• In the event that you need to move the machine to a new location, disconnect the telephone line cord before unplugging the power cord. After you have unplugged the power cord, push the scanner release back in to lock the scanner.

• After moving, release the scanner lock first and then plug in the power cord. Connect the telephone line last.

3) Connecting the power cord.

Plug the power cord into a 220 - 230 V, 50 Hz, earthed AC outlet (U.K., Eire:230 V, 50 Hz, earthed (3-prong) outlet).

• Caution: Make sure the scanner has been released as explained on the previous page before plugging in the power cord.

• The power outlet must be installed near the equipment and must be easily accessible.

Note: The shape of the power plug varies by country.

2. Attaching the trays

1) Attach the document feeder tray.

Slide the output tray into the machine as shown. When it stops, lift the end slightly and push in so that the tray locks in place.

Important: The output tray must be attached correctly or the machine will not operate.

POWER CORD

• The machine does not have a power on/off switch. The power is turned on and off by simply plugging in or unplugging the power cord.

• Whenever you unplug the power cord, wait at least 5 seconds before plugging it back in.

• If you area experiences a high incidence of lightning or power surges, it is recommended that you install surge protectors for the power and telephone lines. Surge protectors can be purchased from your dealer or at most telephone specialty stores.

1 – 6

AM-400DE

4) Connecting the telephone line cord.

Insert one end of the line cord into the socket on the back of the machine marked TEL. LINE. Insert the other end into a wall telephone socket.

Note: The shape of the line cord plug varies by country.

• Italy: Use the provided adapter to connect the line cord to the wall socket.

Make sure that the line cord is inserted into the TEL LINE socket. Do not insert it into the TEL. SET socket!

1) Press the side cover release , open the side cover ,

and then open the front cover .

TEL. LINE

TEL. SET

• Germany: In Germany, the machine is supplied with a N-coded line cable, enabling you to use an extension (cordless) telephone on the same line. If you don’t have the standard NFN-outlet of TELEKOM, you can purchase an NFN-adapter at your retailer.

Important: The facsimile function of this machine is not designed for use on a line which has call waiting, call forwarding, or certain other special services offered by your telephone company. If you attempt to use the facsimile function in conjunction with any of these services, you may experience errors during transmission and reception of facsimile messages. The facsimile function of this machine is not compatible with digital telephone systems.

• Caution! The fusing unit inside the print compartment becomes very hot during operation. Do not touch the inside of the print compartment after the machine has been in operation.

2) Remove the new drum cartridge from its packaging.

3) Insert the drum cartridge into the print compartment, sliding it along the guides.

• Do not touch or allow other objects to contact the drum (the green cylinder). This may damage the drum. If fingerprints, dust, or other contaminants get on the drum, wipe it gently with a clean cloth.

• Exposure to light for more than several minutes will damage the drum. Be sure to insert the drum cartridge promptly into the machine.

• If you find it necessary to leave the cartridge out of the machine for move than several minutes, wrap the cartridge in black paper.

3. Installing the toner cartridge and drum cartridge

The laser printer in the machine uses a toner cartridge and drum cartridge.

• The starter toner cartridge included with the machine can print approximately 1,500 A4-size pages at 5% page coverage.

• When replacing the toner cartridge, use a SHARP AM-30DC toner cartridge. One cartridge can print about 3,000 A4-size pages at 5% coverage.

• The drum cartridge can print approximately 20,000 A4-size pages. When replacing the drum cartridge, use a SHARP AM-90DR drum cartridge.

Follow the steps below to install the toner cartridge and the drum cartridge.

Note: The quality of the toner cartridge is guaranteed for 18 months after the date of manufacture indicated on the package. The quality of the drum cartridge is guaranteed for 24 months after the date of manufacture indicated on the package.

Grasp this handle to

push the cartridge in.

4) Remove the new toner cartridge from its packaging. Shake the cartridge side to side four or five times to distribute the toner evenly within the cartridge.

1 – 7

5) Grasp the cartridge handle and insert the toner cartridge into the

1 Press and then or

repeatedly until the display at right

appears.

Display:

LIFE

2 Press .

3 Press .

4 Press repeatedly to exit.

CLEAR: START KEY

DRUM COUNTER

1: LIFE COUNTER

1 Press and then or

repeatedly until the display at right

appears.

2 Press .

3 Press .

4 Press repeatedly to exit.

Display:

CLEAR: START KEY

LIFE

TONER COUNTER

3: CLR DRUM COUNT

print compartment, sliding it along the guides.

• After inserting the cartridge, press on the arrow mark to mark sure it “clicks” into place.

• Do not touch the roller in the toner cartridge.

Grasp this handle to insert the cartridge.

Press on this mark to make sure the cartridge "clicks" into place.

6) Close the front cover and then the side cover .

AM-400DE

4. Resetting the drum counter

Each time you install a new drum cartridge, follow the steps below to reset the drum counter to zero.

5. Manually resetting the toner counter

When a new toner cartridge is installed, the toner counter is reset in Step 7 on the previous page. The procedure below is normally not necessary; however, it can be used in the event that you need to reset the toner manually.

• Make sure the side cover is completely closed. Otherwise, light may enter the print compartment and damage the drum.

Display:

TONER EXCHANGED?

1=YES,2=NO

7) If you installed a new toner cartridge, press to select YES

(this will reset the toner counter to zero).

NEW TONER?

OK: PRESS START

• If you temporarily removed and then replaced an old toner car-

tridge for maintenance or other reason, press to continue

6. Loading paper

You can load approximately 250 sheets of A4 paper (80 g/cm2) in the paper tray.

Caution! Do not use the blank side of paper that has already been printed on.

1) Remove the output tray.

using the previous toner count. (Note: Be sure to press ,

or the machine will not alert you when the toner cartridge is out of toner.)

8) Press .

9) If you installed a new drum cartridge, reset the drum counter as explained below.

1 – 8

AM-400DE

2) Insert a stack of paper into the tray, print side up.

• Important! The stack of paper must not be higher than the paper height line on the paper tray.

Paper height line

3) Squeeze the sides of the paper guide as shown and slide it to the slot for the length of the paper you are loading (A4).

4) Replace the output tray.

7. Installing the software

To use the machine as a printer and scanner for your computer, you must install the software and connect a USB cable. The CD-ROM that comes with the machine contains the following software:

• MFP Drivers: These consist of the printer driver that allows the machine to be used as a printer, and the scanner driver that allows you scan using TWAIN and WIA compliant applications.

• Sharpdesk: This is an integrated software environment that makes it easy to manage image files and launch applications. (Note that Internet Explorer this is not installed, you will be prompted during the installation procedure to install Internet Explorer

• Button Manager: This allows you to initiate scanning from the operation panel of the machine by selecting one of six preset scan menus.

5.5 or higher is required to install Sharpdesk; if

6.0SP1 from the CD-ROM.)

Minimum system requirements

Operating system: Windows

Me / 2000 Professional/ XP Port: USB 2.0 or 1.1 port Display: 800 x 600 (SVGA) with 256 colors or more Free hard-disk space: 150 MB or more Other requirements: An environment in which the operating system can freely operate.

Comments:

• USB 2.0 Hi-Speed is only possible if your computer has a USB 2.0 port and you are using a USB 2.0 cable. In addition, the Microsoft USB 2.0 driver must be preinstalled in your computer, or the USB

2.0 driver for Windows

2000/XP provided through Windows

Update must be installed. Note that USB 2.0 Hi-Speed is not possible in Windows

Me.

• To scan the maximum document length (356 mm) using the auto document feeder at 1200 dpi in full colour, at least 1GB of memory is required. In addition, at least 600MB or more of free hard disk space is required on the drive where your operating system is installed. In Windows

Me, it is not possible to scan an A4 size document at 1200 dpi in full color or grayscale (a lower resolution or a smaller scanning area must be selected).

• Note for Windows

Me: In the Power Management settings in the Control Panel, System stand-by must be set to Never. In addition, do not use the stand-by feature that appears when you shut down Windows.

Installing the software

• A USB cable is required to connect the machine to your computer. Please purchase a USB 2.0 or USB 1.1 cable. The USB cable will be connected during the software installation procedure. (If you wish to use USB 2.0 Hi-Speed mode and your system meets the requirements for Hi-Speed mode, purchase a USB 2.0 cable. A USB 2.0 certified cable is recommended.)

• To install the software on Windows you must log in with administrator’s rights.

• The windows shown in the following procedure appear in Win-

dows

XP. The windows that appear in other versions of Windows

may be slightly different.

Note: In the following instructions, “Windows 2000” indicates Windows 2000 Professional (the software cannot be installed on Windows 2000 Server).

1) Make sure that the USB cable is not connected to your com- puter. (The cable will be connected in Step 11.)

• If the USB cable is connected, a Plug and Play window will appear. Click the Cancel button to close the window and disconnect the cable.

2) Insert the Sharp CD-ROM into your computer’s CD-ROM drive.

3) In Windows

XP, click the start button, click My Computer, and

then double-click the CD-ROM icon.

In Windows

Me/2000, double-click My Computer on the desktop

and then double-click the CD-ROM icon.

4) Double-click the setup icon ( ) in the CD-ROM window.

5) The Language Selection window will appear. Select the language that you wish to use and click Next. (The language selections vary depending on your country or region.)

2000/XP using the installer,

1 – 9

6) Follow the instructions in the windows that appear.

• When the Setup Type Selection window appears, select Standard to install all of the software components (this should normally

be selected). If you only wish to install certain components, select

Custom and then select the components that you wish to install. Note: If you wish to select the folder where Sharpdesk and/or But-

ton Manager are installed, select Custom.

AM-400DE

10)The Search Setup Wizard will appear. Follow the on-screen instructions to create an index database for Sharpdesk.

11)Make sure that the power cord of the machine is not plugged in (the machine is powered off), and then connect the USB cable.

• Insert one end of the USB cable into the USB port on the machine and the other end into your computer’s USB port.

Comments:

• Do not connect the AM-400 to a hub to which another AM-400 is connected. If this is done, the AM-400 will not operate correctly.

• If you find that your computer does not recognize the machine or operation is unstable, try connecting the USB cable to a different USB port on your computer, or try a different USB cable (use the shortest possible cable).

• In Windows

2000/XP, if a warning message appears at any time regarding the Windows logo test or digital signature, be sure to click Continue Anyway or Yes .

7) When the Finish window appears to indicate that the selected packages have been installed, click Close.

8) If the installation was a Standard installation, the following window will appear. Click OK.

• If you installed the MFP drivers using a Custom installation and did not install Sharpdesk, the following window will appear. Click OK and go to Step 11.

9) The following window will appear. Click Yes to restart your computer.

12)Plug in the power cord of the machine.

• Windows

XP: Go to the procedure for completing installation of

the software on Windows XP below.

• Windows

2000: This completes the installation of the software.

Note: If a warning message regarding the Windows logo test

appears (the warning may appear twice), click Yes each time the window appears. This will complete the installation of the software.

• Windows

Completing installation of the software on Windows

Me: This completes the installation of the software.

1 – 10

AM-400DE

13)In Windows® XP, the Found New Hardware Wizard will appear. Make sure that Install the software automatically (Recom- mended) is selected and click Next (this will install software for using the machine as a scanner).

14)When the wizard finishes installing the scanner software, click Fin- ish to close the wizard.

15)After a brief interval, the Found New Hardware Wizard will appear again to install software for using the machine as a printer. Make sure that Install the software automatically (Recommended) is selected and click Next.

• Note for Windows first. Select No, not this time and click Next. Continue from the previous window.

• If the following warning message appears regarding the Windows logo test, click Continue Anyway.

XP SP2: The following window will appear

• If the following warning appears regarding the Windows logo test, click Continue Anyway.

1 – 11

16)When the wizard finishes installing the printer software, click Finish to close the Wizard. This completes the installation of the software on Windows

XP.

Sharpdesk online guide

For information on using Sharpdesk, view the Sharpdesk online guide on the CD-ROM. To view the online guide, open the Manual folder and then the EnglishA folder on the CD-ROM, and doubleclick SDUG_Enu.pdf.

Removing the software

In the event that you need to remove the software from your computer, follow the steps below.

1) Disconnect the USB cable from your computer and the machine.

2) Open the Control Panel and select Add or Remove Programs (or Add/Remove Programs).

3) Select SHARP AM-400 Series MFP Driver (or Sharpdesk) from the list, and click the Change/Remove button (or the Add/ Remove button).

AM-400DE

8. Clearing a jammed document

If the original document doesn’t feed properly during transmission or copying, or DOCUMENT JAMMED appears in the display, first try

pressing . If the document doesn’t feed out, open the auto

document feeder cover and remove it.

Important:

Do not try to remove a document without opening the auto document feeder cover. This may damage the feeder mechanism.

1) Squeeze the cover release and open the auto document

feeder cover. Open the document glass cover.

4) Click OK to confirm the removal.

2) Remove the document.

• The document can be removed from either the top or the bottom slot, whichever is easiest.

3) Close the auto document feeder cover, pressing down on both sides to make sure it clicks into place.

Press down on the marks

1 – 12

AM-400DE

9. Clearing jammed printing paper

4) If the jammed page cannot be pulled out directly, open the front

1) Press the side cover release and then open the side cover

2) Push the two heater roller release levers down to release the heater roller.

• Caution! The fusing unit (indicated in white at right) becomes very hot during operation. Do not touch the fusing unit.

cover and rotate the white knob in the direction

shown to feed the jammed page out into the output tray.

5) After the jammed page has been removed, push the two heater roller release levers back up.

3) If the jammed page is protruding from the side of the machine, gently pull it out. Take care not to tear the paper or leave any torn pieces of paper in the print compartment.

• If this clears the jam, go to Step 5.

• If you are unable to clear the jam in this way, go to Step 4.

• Take care not to touch or allow other objects to contact the drum

(the green cylinder). This damage the drum.

6) Close the front cover (if you opened it) and then the side

cover .

Note: If you find that another paper jam occurs immediately after clearing a paper jam, open the side cover and then the front cover and remove the jammed paper as explained above. With the front cover and side cover still open, remove the output tray and remove the printing paper from the paper tray. Replace the output tray and close the front cover and then the side cover. Remove the output tray once again, fan printing paper, replace it in the paper tray, and then replace the output tray.

1 – 13

10. Troubleshooting

1. Display

ADD PAPER Check the printing paper. If the tray is empty, add

BYPASS MISFEED The paper is not inserted correctly in the bypass tray.

BYPASS PAPER! / IF COPY, PRESS (alternating messages)

CHK SCANNER LOCK/ PLS RETURN POWER (asternating messages)

COVER OPEN One or both of the print compartment covers are

DATE/TIME UNSET The date and time need to be set. Note

DOCUMENT JAMMED The original document is jammed. See the following

DOCUMENT READY A document has been inserted in the auto document

DRUM LIFE OVER This appears when the drum cartridge needs

FAX RX IN MEMORY A fax has been received in memory because the

GRP. SPACE FULL This appears if you attempt to store a Group when

LINE ERROR Transmission or reception was not successful. Press

MEMORY IS FULL If faxes have been received to memor y because

NO # STORED This appears if you attempt to search for a Speed Dial

OFF HOOK This appears when an extension phone connected as

paper. If there is paper in the tray, make sure it is inserted correctly (take out the stack, align the edges evenly, and then reinsert it in the tray). Printing will resume automatically when the output tray is replaced.

Remove the paper and insert it again.

Paper has been inserted in the bypass tray. If the

paper has been inserted for a copy job, press to

set the paper size. If the paper is for a print job, the message can be disregarded.

Make sure that the scanner lock has been released and then unplug the power cord, wait at least 5 seconds, and plug it back in.

open. Make sure both covers are closed.

that the date and time settings will be lost if the machine is unplugged or a power failure occurs.

section, Clearing Paper Jams. Document jams will occurifyouloadmorethan20pagesatonceorload documents that are too thick. The document may also jam if the receiving machine doesn’t respond properly when you attempt to send a fax.

feeder and the machine is waiting for you to begin faxing or copying.

replacement.

toner cartridge needs replacement, you have run out of printing paper, the paper is jammed, or paper is inserted in the bypass tray. The fax will print out automatically when the problem is fixed.

both Groups are already programmed.

the STOP key to clear the message and then try again. If the error persists, see Line error.

printing is not possible (an additional message will indicate the problem), resolve the problem so that printing can continue (see Substitute Reception to Memory) If you are attempting to send a fax, see If the memory becomes full. If you are copying, see If MEMORY IS FULL appears.

number when none have been stored.

explained is lifted. Only can be pressed in

fax mode when this message appears.

REMOVE / BYPASS PAPER (alternating messages)

SYSTEM ERROR [XX] (a number appears in “XX”)

(Refer to Printer error code/ Scanner message)

SET BYPASS PAPER /

SIZE: XXXX (alternating messages; a paper size appears in “XXXX”)

TONER EMPTY The toner cartridge must be replaced. Printing will be

TONER NEAR EMPTY The toner cartridge is almost out of toner

TOTAL PAGE(S) 01 Number of fax pages transmitted or received.

A fax has been received to memory because paper is inserted in the bypass tray (faxes cannot be printed while paper is in the bypass tray). Remove the paper from the bypass tray to allow the fax to be printed.

If this message appears, unplug the power cord, wait about 10 seconds, and then plug it back in. If the message still appears, unplug the power cord and call for service.

Paper must be inserted in the bypass tray for a print job or copy job that requires use of the bypass tray. Insert the indicated size of paper in the tray.

possible (although the output will be increasingly faint) until a fax is received. Once a fax is received, it will be held in memory and printing will not be possible until the toner cartridge is replaced.

(approximately 200 pages can be printed).

2. Audible signals

Continuous tone 3 seconds Indicates the end of transmission or

Intermittent tone (3 beeps)

Rapid intermittent tone

5 seconds (1 second on, 1 second off)

35 seconds (0.7 seconds on,

0.3 seconds off)

reception.

Indicates incomplete transmission or reception.

Indicates that an extension phone connected as explained is off hook.

3. Printer error code (Troubleshooting Refer to page 5-27 to 5-29)

PAPER JAM The roller sensor could not detect its home position

SYSTEM ERROR [P2]

SYSTEM ERROR [P3]

SYSTEM ERROR [P4] ROM or RAM error was detected on the printer

SYSTEM ERROR [P5] High temperature error was detected.

SYSTEM ERROR [P6] Low temperature error was detected.

SYSTEM ERROR [P7]

after driving the pick up motor for the specified period.

The roller sensor could not become NOT-Active after passing the specified period from picking up paper.

The printer controller detected the optical unit (LSU) error.

The external interrupt signal for optical unit (LSU) or High-voltage control did not become active after passing the specified period.

Thermistor error was detected.

control unit.

Communication error between the main controller and the printer controller was detected.

AM-400DE

OUTPUT TRAY OFF The output tray is not attached correctly. Attach it as

PAPER JAMMED The printing paper is jammed.

PAPER MISMATCHED This appears after printing if the size of the printed

explained. The machine will not operate if the output tray is not attached correctly.

image did not match the paper size on some pages of the job. Check the printed pages and reprint as needed.

4. Scanner message (Troubleshooting Refer to page 5-29)

CHK SCANNER LOCK The scanner unit could not detect change point of

home postion. (ON-> OFF or OFF->ON)

1 – 14

AM-400DE

11. Quick setup guide

For detailed instructions

on setting up and using the AM-400, see the online guide on the CD-ROM. To open the guide, double-click the Manual folder on the CD-ROM, double-click English, and then doubleclick Online Manual.pdf. (Note: Acrobat Reader 5.05 or higher is required to view the manual.To install Version 5.05, double-click Acrobat Reader, English, and then ar505enu.exe on the CD-ROM.)

All company names and product names appearing in this

setup guide are the trademarks of their respective owners.

Important:

Pull the scanner release toward you to release the scanner lock. Caution: Be sure to release the scanner lock

before plugging in the power cord.

Install the toner cartridge and drum cartridge.

1. Press

5. Insert the toner cartridge, sliding it along

. Open the side cover

and then the front cover .

Caution!

Do not touch the fusing unit under the side cover after the

machine has been in operation, as it may become very hot.

the guides until it clicks into place.

Press on the arrow mark to make sure the cartridge clicks into place

Make sure you have the following items. If any

are missing, contact your dealer or retailer.

Note: The shape of the line cord plug varies by country. An adapter (not shown) is provided in some countr ies.

Telephoneline cord

Output tray

Plug the powercord into a standard,ear thed

power outlet. Note: The power outlet must be installed near the equipment and must be easily accessible.

Note: The shape of the power plug varies by country

2. Remove the drum cartridge from its packaging.

6. Close the front coverıand then the side cover

Document feeder tray

Toner cartridge

Display:

TONER EXCHANGED?

1:YES, 2:NO

Drum cartridge

Setup

CD-ROM

Guide

3. Inser t the drum cartridge, sliding it along the guides.

Grasp this handle to push the cartridge in

7. Press

to select

then press . (This resets

the toner cartr idge counter.)

When the tray stops, lift the end slightly and push in.

Note: The

shape of the line cord plug varies by country.

"YES" and

Attach the trays.

Connect the phone line cord to the TEL. LINE jack and a wall jack.

Italy: Use the provided adapter to connect the line cord to the wall socket.

EL.

LINE

4. Remove the toner cartridge from its packaging. Shake the car tridge side to side four or five times to distribute the toner evenly within the cartridge.

8. Reset the drum car tridge counter :

a.Press

display.

b. Press and then .

c. Press repeatedly to exit.

once and then or

until "LIFE" appears in the

Load paper.

1. Remove the output tray.

3. Squeeze the sides of the paper guide and slide it to the slot for the length of paper loaded.

2. Inser t a stack of paper into the tray, print side up.

The stack should not be higher than this line

4. Replace the output tray.

Set the date and time that appear

in the fax mode display.

1. In the date and time display of faxmode

FAX

(press if needed to select fax

mode), press , , .

2. Enter a two-digit number for the day ("01" to "31").

Example: the 5th

•

To clear a mistake press .

3. Enter a 2-digit number for the month.

Example: February

4. Enter the year (four digits)

Example:

1 – 15

5. Enter a two-digit number for the hour (00 to 23) and a two-digit number for the minute (00 to 59).

Example: 9:25

6. Press .

ENTER

7. Press repeatedly to exit.

AM-400DE

Install the software on your computer. (The software

allows the machine to be used as a printer and scanner.)

1. Make sure that a USB cable is not connected to the machine and your computer. (The cable

will be connected in Step 11.)

•

If a cable is connected and a Plug and Play window appears, close the window and disconnect the cable.

2. Insert the Sharp CD-ROM into your computer's CD-ROM drive.

3. Windows

XP: Click the start button, click My

Computer, and double-click the CD-ROM icon.

Windows Me/2000: Double click the desktop and double-click the CD-ROM icon.

My Computer

4. Double-click the setup icon ( ) in the CD-

ROM window.

5. If the Language Selection window appears, select the language that you wish to use and click Next (the language selections will vary depending on your country or region).

6. Follow the on-screen instructions.

• When the Setup Type Selection window appears, select

Standard to install all of the software components (this should normally be selected). If you only wish to install certain components, select Custom and then select the components that you wish to install.

•

7. When the

8. If the installation was a Standard installation, the

In Windows 2000/XP, if a warning message appears at any time regarding the Windows logo test or digital signature, be sure to click

Continue AnywayorYes

selected packages have been installed, click

following window will appear. Click OK.

Finish

window appears to indicate that the

Note: A USB 2.0 or 1.1 cable is required to connect the

machine to your computer. Please purchase this separately.

•

If you installed the MFP drivers using a and did not install Sharpdesk, the following window will

appear. Click

The following window will appear. Click Yes to restart your computer.

and go to Step 11.

10. The Search Setup Wizard will appear. Follow the on-screen instructions to create an index database for Sharpdesk.

11. Make sure that the machine's power cord is not plugged in, and then connect the USB cable to the USB port on the machine and on your computer.

12. Plug in the machine's power cord.

• Windows XP: Follow Steps 13 through 16 to

• Windows 2000: This completes the installation of the

complete the installation of the software.

software.

Note:

If a warning message regarding the Windows logo test appears (the warning may appear twice), click each time the window appears. This will complete the installation of the software.

Custom

installation

Yes

• Windows Me: This completes the installation of the

Completing the installation on Windows XP

13. In Windows XP, the Found New Hardware

• If a warning message appears regarding the Windows

14. When the wizard finishes installing the software, click

15. After a brief interval, the Found New Hardware

• If a warning message appears regarding the Windows

16. When the wizard finishes installing the software,

software.

Note:

In the power management settings in the

Panel

System stand by

Wizard will appear. Make sure that Install the software automatically (Recommended) is selected and click Next.

Note for Windows XP SP2

wizard will ask you if the wizard can connect to Windows Update. Select

logo test, click Continue Anyway.

Finish to close the wizard.

Wizard will appear again. Make sure that Install the software automatically (Recommended) is

selected and click Next.

logo test, click Continue Anyway.

click Finish to close the wizard. This completes the installation of the software on Windows XP.

must be set to

No, not this time

: The first window of the

and click

Never

Control

Configure Button Manager (one of the programs installed in the above step) as

the program on your computer that handles scanner events from the machine.

Windows XP/Me

1. Click the start button, click Control Panel,and double-click Scanners and Cameras.

•

Scanners and Cameras

click view all Control Panel options

Me,

2. Right-click the SHARP AM-400 icon and select Properties.

does not appear in Windows

3. The SHARP AM-400 Properties appear. Click on the Events tab.

4. Select SC1 from the Select an event list.

5. In the Actions field, select Start this program and then select Sharp Button Manager I from the list of programs. Click Apply.

6. Repeat Steps 4 and 5 for each of events SC2 through SC6. When finished, click the OK button.

Windows 2000

1. Click the Star t button, point to Settings,and select Control Panel.

2. In the Control Panel, double-click Scanners and Cameras.

3. Select SHARP AM-400 and click Properties.

4. Click the Event s tab in the SHARP AM-400 Properties.

5. Select SC1 from the Scanner events list.

6. In Send to this application,selectSharp Button Manager I.

• If other applications appear in the list, make sure that

none are selected.

7. Click the Apply button.

8. Repeat Steps 5 through 7 for each of events SC2 through SC6. When finished, click the OK button.

1 – 16

AM-400DE

CHAPTER 2. ADJUSTMENTS

[1] Adjustments

1. General

Since the following adjustments and settings are provided for this model, make adjustments and/or setup as necessary.

2. Adjustments of output voltage (FACTORY ONLY)

1. Install the power supply unit in the machine.

2. Set the recording paper and document.

3. When the document is loaded, power is supplied to the output lines. Confirm that outputs are within the limits below.

2.1. Output voltage settings

Service Manual

CNLSR

CNPM

CNHV

CNMM

CNPUM

CNTCT

CNFM

CNROLSNS

CNTCVR

CNBYPE

CNPIN

CNPW

FUSING UNIT

CNRTH

CNOUT1

CNOUT2

CONTROL PWB

(TOP SIDE)

CNHT

THERMAL

FUSE-2

CNSCM

CNCIS

CNLIU

CN6

CN2

POWER SUPPLY PWB (TOP SIDE)

INTERLOCK

SWITCH

CNPN

CNORG

CNHPS

CNUSB

CNPW

CNFRT

CNSP

Output Voltage limits +24VSUB 23.04V~24.96V

+24VMAIN 23.04V~24.96V

+5VMAIN 4.75V~5.25V

+3.3VMAIN 3.201V~3.399V

Connector CNPW

Pin No.

2 3 4 5 +24VMAIN 6 +24VMAIN

7DG

Connector

Pin No.

2 3

Connector

Pin No.

2 3

Connector

Pin No.

CNPW MG +24VSUB

MG MG

+5VMAIN

+3.3VMAIN

/HEATER ON

/PWRLY

/ZC

CN6

+24VMAIN N.C.

+24VS

CNHT

N N.C.

CN2

1 2

2 – 1

3. High voltage power check

3.1. General

Note: Since the parts of this PWB cannot be supplied, change it as a unit.

CAUTION

DO NOT TOUCH!

CN1

CN3

(VR51)

D10

QJ005

VR1

D58

VR51

D61

D62

D60

D52

D54

Q52

B51

Q38

QJ071

D53

C56

C65

VR31

C31

CAUTION HIGH VOLTAGE AREA MAX. 4000V

CN4

R93

J52

J51

R15

R16

R67

D31

J12

J11

J22

J21

J42

J41

J32

J31

CAUTION - HIGH VOLTAGE The unit's back cover should never be opened by anyone other than a qualified serviceperson. There are many high voltage parts inside the unit, and touching them is dangerous.

AM-400DE

CAUTION HIGH VOLTAGE AREA MAX. 4000V

R10

R44

R65

R66

R59

R94

R98

C55 R60

C52

R43

R74

R73

R103

R80

R79

R81

Q34

D42

R42

D41

R102

Q31

D59

Q33

Q32

D57 D56 D55

Q35

R32 R31

R41

R78

Q36

C32

R36

R34

R33 R35

R72

R71

R40

R70

R39

R38

Q37

R37

R86

IC1

R92

R61

C53

R58

R75

R101

R69

R46

R76

R77

R83

R84

R85

R87

R88 R89 R90

C4 R13 R14

R91

C54

R66

R11

R18

R14

R47

Q51

R19

R63

R53

R100

CN1

C61

R51

Q57

R54

R52 C62 R55 C51

CAUTION - HIGH VOLTAGE The unit's back cover should never be opened by anyone other than a qualified serviceperson. There are many high voltage parts inside the unit, and touching them is dangerous.

R17

R57

R56

R99

C66

R48

Q58

R62

R50

R49

R64

2 – 2

AM-400DE

3.2. MC Voltage Check Point

CN3

CN1

Q52

VR1

D10

VR51

D58

QJ005

B51

D60

D52

GND (-)

R16

R67

D61

QJ071

Q38

D53

C56

R15

D31

VR31

D62

D54

J52

J11

J41

J51

J12

J22

J21

J42

J32

J31

CN4

R93

MC Voltage Check Point (-)

(There is danger of an electric shock!) Use Measuring instrument:

Input Resistance : more than 100 MΩ Maximum Voltage : more than 2 kV

VOLTAGE MC:-950V±20V(PRINTING) MC:-850V±20V(CLEANING)

C65

C31

1) MC Voltage

Voltage(v)

CAUTION - HIGH VOLTAGE The unit's back cover should never be opened by anyone other than a qualified serviceperson. There are many high voltage parts inside the unit, and touching them is dangerous.

300Hz

Time(s)

Type

-570V

-950V

-1330V

Tolerance

± 67V

± 20V

± 67V

2 – 3

3.3. TC Voltage Check Point

CN3

CN1

Q52

VR1

D10

D58

QJ005

B51

VR51

D60

D52

AM-400DE

D61

D62

D54

QJ071

Q38

D53

C56

GND (-)

R15

J52

J11

J51

J12

CN4

R93

TC Voltage Check Point (+)

(There is danger of an electric shock!) Use High Voltage Tester: Requirement of Measuring instrument:

Input Resistance : more than 100 MΩ Maximum Voltage : more than 5 kV

R16

J22

R67

D31

VR31

J21

J42

J41

J32

J31

VOLTAGE TC(+):+3600V±72V(PRINTING) TC(-):-500V±50V(CLEANING)

1) TC Voltage

Voltage(v)

C65

C31

CAUTION - HIGH VOLTAGE The unit's back cover should never be opened by anyone other than a qualified serviceperson. There are many high voltage parts inside the unit, and touching them is dangerous.

300Hz

Type

-3980V

-3600V

-3220V

Time(s)

Tolerance

± 72V

2 – 4

AM-400DE

3.4. SV/DV Voltage Check Point and SV (-) Voltage Adjustment Volume

CN3

CN1

VR1

D10

D58

Q52

VR51

D60

D61

D62

D52

QJ005

B51

D54

CAUTION - HIGH VOLTAGE The unit's back cover should never be opened by anyone other than a qualified serviceperson. There are many high voltage parts inside the unit, and touching them is dangerous.

QJ071

D53

Q38

C56

C65

VR31

C31

R15

D31

R93

J52

J51

R16

R67

J12

J11

J22

J21

J42

J41

J32

J31

GND (-)

CN4

DV Voltage Check Point (+) VOLTAGE DV(+):+300V±5V(CLEANING) DV(-):-220V±5V(PRINTING)

SV Voltage Check Point (+) VOLTAGE SV(+):+400V±15V(CLEANING) SV(-):-320V±15V(PRINTING)

DV (-) Voltage adjustment Volume VR31 It can be made to change with VR31. In the range of ± 50V. DV(-):-220V±50V(PRINTING)

2 – 5

4. IC protectors replacement

1 Make sure that the date and time

display of fax mode appears (if needed

press ) and then press .

2 Press .

3 Press (Press in Russia and

Poland).

4 Press a number key to select the

desired volume setting:

:HIGH

: MIDDLE

:LOW

:OFF

5 Press repeatedly to exit.

FAX

Display:

1: DATE&TIME SET

FAX SETTING

1: HIGH

The display briefly shows your selection, then:

4: ALARM VOLUME

ICPs (IC Protectors) are installed to protect the CIS unit, LIU PWB unit, Scanner motor drive circuit, Pickup motor drive circuit, Main motor drive circuit and IC22 circuit. ICPs protect various ICs and electronic circuits from an overcurrent condition.

The location of ICPs are shown below:

AM-400DE

5. Settings

5.1. Dial mode selector

DIAL mode (Soft Switch No. SW5 Data No. 5)

Setting is not required since the required mode is TONE ONLY.

6. Volume setting

CNLSR

CNPM

CNHV

CNMM

CNPUM

CNTCT

CNFM

CNROLSNS

CNTCVR

CNBYPE

CNPIN

F6/F8:Top side F3/F4/F5/F7:Bottom side

1) F8 (KAB5002 201) is installed in order to protect IC’s from an overcurrent generated in the CIS unit. If F8 is open, replace it with a new one.

2) F4 (KAB5002 251) is installed in order to protect IC’s from an overcurrent generated in the LIU PWB unit. If F4 is open, replace it with a new one.

3) F3 (KAB3202 202) is installed in order to protect IC’s from an overcurrent generated in the scanner motor drive circuit. If F3 is open, replace it with a new one.

4) F5 (KAB5002 251) is installed in order to protect IC’s from an overcurrent generated in the IC22 circuit. If F5 is open, replace it with a new one.

5) F6 (KAB3202 102) is installed in order to protect IC’s from an overcurrent generated in the pickup motor drive circuit. If F6 is open, replace it with a new one.

6) F7 (KAB2402 402) is installed in order to protect IC’s from an overcurrent generated in the main motor drive circuit. If F7 is open, replace it with a new one. In addition to the replacement of F3, F4, F5, F6, F7 and F8, the factor causing F3, F4, F5, F6, F7 and F8 to open must also be repaired. If not, F3, F4, F5, F6, F7 and F8 will open again. Replacement parts

KAB3202 202 (Sharp code: QFS-L1027YCZZ)

KAB5002 251 (Sharp code: QFS-L2021XHZZ)

KAB3202 102 (Sharp code: QFS-L0004QCZZ)

KAB2402 402 (Sharp code: QFS-L2025XHZZ)

KAB5002 201 (Sharp code: QFS-L2016XHZZ)

CNRTH

CNOUT2

CONTROL PWB

CNPW

CNCIS

CNOUT1

(TOP SIDE)

CNSCM

CNIU

CNPN

CNFRT

CNORG

CNHPS

CNSP

CNUSB

6.1. Ringer

Like a telephone, the machine will ring to alert you when a call comes in. To adjust the volume of the ringer or turn it off, follow the steps below.

6.2. Alarm volume

The machine sounds a three-beep alarm to alert you when an error occurs during fax transmission or reception. To adjust the volume of the alarm or turn it off, follow the steps below.

1 Make sure that the date and time

display of fax mode appears (if needed

FAX

press ) and then press .

2 Press .

3 Press (Press in Russia and

Poland).

4 Press a number key to select the

desired volume setting:

:HIGH

:LOW

:OFF

Display:

FAX SETTING

1: DATE&TIME SET

1: HIGH

The display briefly shows your selection, then:

1: DATE&TIME SET

5 Press repeatedly to exit.

2 – 6

AM-400DE

Press

, and

the

following

display will appear.

9 8

M/C Ver:TE53

(Diag•specifications)

9 8 6

ENTER SINGLE PRINT

ENTER CONTINUOUS PRINT

ENTER

COPY AGING

ENTER

LIFE MODE

ENTER

TOP VOID ADJUST

ENTER

PRINT ADJUST

ENTER

TEST MODE

START

ENTER

Then press the

key. Select the desired item with the

key and the key or select with the rapid key.

Enter the mode with the key.

PRINT DIAG MODE

: PRINTER ROM version

M/C Ver:TE53

(The alternate display of two screens.)

MEMORY CLEAR

1:CLEAR

[1]Key

[2]Key

Stand-by display

[2] Diagnostics and service soft switches

1. Entering the diagnostic mode

1.1. Fax diagnosis

This diagnosis is concerned with the main body of fax which is used for production and service support.

Entering the diagnostic mode

1.2. Print diagnosis

This diagnosis is concerned with the print which is used for production and service support.

Entering the diagnostic mode

Press

9 8

display will appear.

TE37 / x x x x (AM-400DE) or

TE44 / x x x x (AM-400IT) or

TE42 / x x x x (AM-400H)

Then press the

START

TE39 / x x x x (AM-400F) or

TE48 / x x x x (AM-400SE) or

: FAX ROM version

xxxx:Checksum

key. Select the desired item with the

and the key or select with the rapid key.

Enter the mode with the

(Diag

•

specifications)

9 8 7

ENTER

ENTER key.

DIAG MODE COUNTRY NAME

SOFT SWITCH MODE

ROM & RAM CHECK

PANEL CHECK MODE

CHECK PATTERN MODE

SIGNAL SEND MODE 1

SIGNAL SEND MODE 2

TE37 / x x x x or TE39 / x x x x or TE44 / x x x x or TE48 / x x x x or TE42 / x x x x

(The alternate display of three screens.)

START

,and

the

following

key

Memory clear when power is turned on

Pressing the START and STOP keys, turn on the main power, and the following message will be indicated.

ENTER

MEMORY CLEAR

CIS ADJUSTING MODE

DIAL TEST MODE

AUTO FEEDER MODE

FLASH MEMORY TEST

GEAR CHANGE MODE

FLATBED AGING

MESSAGE PRINT (AM-400DE/F/IT/SE only)

MEMORY CLEARING

When 1 is selected, the memory will be cleared to be ready to operation.

If 2 is selected, memory will not be cleared and the machine enters standby mode.

2 – 7

2. Diagnostic items description

ROM& RAM CHECK

ROM = RAM=

Start checking

by pressing [ENTER] key

ROM=OK,RAM =OK

PRINTING

ALL KEY OK !!

2.1. Fax diagnosis

2.1.1 Soft switch mode

In this mode, the soft switches are set and the soft switch list is printed.

1. Operation

Soft switch mode screen

SOFTSWITCH MODE

[ENTER] Key

SW01=01010010

Switch No.

2. Switch number selection and data setting

1) Enter two digits of a soft switch number to set the switch num-

ber. Of a switch number of non-existing soft switch is entered, key error buzzer sounds to reject the input.

SW01=01010010

cursor position

2) Press [ENTER] key for setting of the next soft switch.

12345678:DataNo.

SW01 =

[1]key

SW16=01010010

[ 6] key

AM-400DE

5. Storage of data

In the following cases, the data if the soft switches set will be stored.

• It is shifted to set the next soft switch by pressing [ENTER] key.

• It is shifted to set the next soft switch with the [>] key.

• It is shifted to the last soft switch with the [<] key.

• It is shifted to set another soft switch by inputting two digits as the switch number.

• Output of the soft switch list starts.

6. Protocol monitor

If the SW No. 8 Data No. 5 is set to 1, the protocol monitor result is printed after fax communication.

2.1.2 ROM & RAM check

To check the sum value of Firmware or RAM.

No. Device Alarm Buzzer Remarks

2 D-RAM1(*1) 2 times <Short

*1 WORK MEMORY (SDRAM 16M).

1. Display

ROM (PROGRAM FLASH)

Main

1 time <Short sound>

sounds>

SW01=01010010

cursor position

[ENTER]Key

SW02=01001100

SW03=01001100

[ENTER]Key

3) Data number selection

(a) Pressing [>] key moves the cursor to the right.

If the cursor is on data number 8, pressing [>] key shifts the cursor to data number 1 of the next switch number. If the switch number is the final, pressing [>] key will exit the soft switch mode.

SW01=01010010

cursor position

SW02=01001100

[>]Key

SW03=01001100

with the cursor on bit8 [>]Key

(b) Pressing [<] key moves the cursor to the left.

If the cursor is on data number 1, pressing [<] key shifts the cursor to data number 1 of the former switch number. If the switch number is 1, pressing [<] key do not move the cursor.

SW03 = 01010010

cursor po sition

SW03 = 0 1001100

cursor po sition

SW03=01001100

[<]Key

SW02=01001100

[<]Key

SW03=01001100

[<]Key

SW01=01001100

with the cursor on bit 1 [<]Key

3. Data setting

Press the [MENU] key, and the data to the position of the cursor will be reversed to 1 when it is 0, or to 0 when it is 1.

4. Outputting method of soft switch list

In the soft switch mode, press [QUALITY] key, and the soft switch list will be printed. If the recording paper runs out or is clogged, the key error buzzer will sound with the process not received.

2. Result printing

After checking, the results print starts.

2.1.3 Panel key test

This is used to check whether each key is normally operated or not. When the test is started, a LED will blink (1000ms cycle) for the LED test. During the test. After the test, the test result will be printed.

* When any numeric key is pressed during the panel test, the DTMF signal correspond to the key number is sent to the line. If another key is pressed the DTMF signal will stop. This function becomes valid by changing the value of soft switch. (Default: Disable)

1) Flow

Press any key except [STOP] key. At this time, the name of each key will be displayed every push of the key.

PANEL CHECK MODE

To finish this mode, press [STOP] key

PRESS EACH KEY

[ENTER] key

START

[START ]Key

Go to (a or b).

a) When all keys can be inputted, the following message will be displayed.

Then the screen will be all displayed in blank (Refer to (2)) and the test result will be printed.

[1]Key

..... (oth er key)

2 – 8

AM-400DE

SIGNAL SEND2

CML ON

[ENTER]Key

V.34 33600bps

V.34 26400bps V.34 28800bps

[ENTER]Key

V.34 31200bps

V.34 24000bps V.34 21600bps

[ENTER]Key

V.34 19200bps

V.34 12000bps V.34 14400bps

[ENTER]Key

V.34 16800bps

V.34 9600bps

V.34 7200bps

[ENTER]Key

V.34 4800bps

V.34 2400bps

[ENTER]Key

ANSam V.21 0 - 300bps

[ENTER]Key

CIS ADJUST

[ENTER]Key

The motor will move to the specified position and the reading lamp is lit on.

1: COLOR

1 key

2: MONO

2 key

b) If any key skipped, the following message will be displayed.

KEY ERROR !!

A key name that is not pressed yet is displayed so that this test can be continued.

At that time, pressing the [STOP] key will exit this mode. And the result will be printed.

2) Black screen

2.1.4 Check pattern mode

The effective printing area frame is printed in the specified sheet size of the standard tray (Letter/Legal/A4).

1. Printing the pattern

Printing size depends on Paper Size setting in Common Setting.

2.1.6 Signal send mode 2

The specified signals about V.34 and V.8 mode transmitted in the following sequence to check the modem.

1. Press the [ENTER] key, and no signals with the loop state starts.

[ 1] No signals (making the loop) [ 9] 16800bps (V.34) [ 2] 33600bps (V.34bis) [10] 14400bps (V.34) [ 3] 31200bps (V.34bis) [11] 12000bps (V.34) [ 4] 28800bps (V.34) [12] 9600bps (V.34) [ 5] 26400bps (V.34) [13] 7200bps (V.34) [ 6] 24000bps (V.34) [14] 4800bps (V.34) [ 7] 21600bps (V.34) [15] 2400bps (V.34) [ 8] 19200bps (V.34) [16] 0-300bps (V. 21)

[17] ANSam

CHECKP ATTERN

[ENTER]Key

NOW AGING

2.1.5 Signal send mode 1

The specified signals are transmitted in the following sequence to check the modem.

1. Press the [ENTER] key, and no signals with the loop state starts.

[ 1] No signals (making the loop) [ 9] 9600bps (V.29) [ 2] 4800bps (V.27ter) [10] 7200bps (V.29) [ 3] 14400bps (V.33) [11] 4800bps (V.27ter) [ 4] 12000bps (V.33) [12] 2400bps (V.27ter) [ 5] 14400bps (V.17) [13] 300Hz (FLAG) [ 6] 12000bps (V.17) [14] 2100Hz (CED) [ 7] 9600bps (V.17) [15] 1100Hz (CNG) [ 8] 7200bps (V.17)

SIGNAL SEND1

V.17 14400bps V.33 12000bps

[ENTER]Key

V.17 12000bps V.17 9600bps

V.27ter 4800bps V.29 7200bps

[ENTER]Key

V.27ter 2400bps

[ENTER]Key

CML ON

FLAG (300bps)

2. Pressing the [ENTER] key during transmitting CNG signal, or pressing the [STOP] key will stop the output of signal and exit the mode.

[ENTER]Key

V.27ter 4800bps

[ENTER]Key

V.33 14400bps

V.17 7200bps

[ENTER]Key

V.29 9600bps

2100 Hz (CED TONE)

[ENTER]Key

1100 Hz (CNG)

2. Pressing the [ENTER] key during transmitting ANSam signal, or pressing the [STOP] key will stop the output of signal and exit the mode.

2.1.7 Memory clear

Clear the backup memory including the soft switches, registration data. After executing this mode, the memory clear report is printed.

Note: The following data is not cleared. Values for Printer life including the adjusted value of printing void.

2.1.8 CIS adjusting mode

When the "color scan" or "monochrome scan" is selected in this mode, the scanner motor moves from its home position to the specified value. Then, the document reading lamp is turned on.

1. Press the [STOP] key to exit the mode.

2 – 9

2.1.9 Dial test mode

GEAR CHARGE MODE

ADF : COUNT = 00001

FBED : COUNT = 00001

ADF : COUNT = 00002

FBED : COUNT = 00002

[ENTER]Key

Drive the gear as Flatbed mode.

Move from Home Position to the reading direction. After pause, move to the reading position from ADF.

Drive the gear as ADF mode.

Pause and drive reversely.

Move from Home Position to the reading direction.

After pause, move to the reading position from ADF.

Pause and drive reversely.

This sequence will be terminated by pressing STOP key.

Drive the gear as ADF mode.

Drive the gear as Flatbed

Press STOP key to terminate this aging.

MOTOR AGING MODE

300 MONO

600 MONO

300 COLOR

600 COLOR

[ENTER]Key

[>] Key

Aging will start by pressing ENTER key.

The mode is used to inspect whether dialing is accurate in two kinds of dial modes or not. All data which can be dialed in this mode are automatically called up in both PB and DP mode.

When this mode is activated, the following operations will be automatically executed to their ends. Whenever the dialed content is right or not is judged with the external instrument which is connected to the line cable.

1. After pressing [ENTER] key, the CML relay is turned on, and the following numbers are dialed in the PB mode.

“1”, “2”, “3”, “4”, “5”, “6”, “7”, “8”, “9”, “ “, “0”, “#”

2. And the following numbers are dialed in the DP mode.

“1”, “5”, “9”, “0”

3. After dialing, the CML relay is turned off.

AM-400DE

2.1.12 Gear change mode

The gear to drive ADF and flatbed mechanism will be aging continuously and the number of switching will appear on the LCD.

1. Operation

DIAL TEST

123456789 #

[ENTER]Key

1590

2.1.10 Auto feeder mode

Inserting and discharging the document can check the auto feeder.

The information of document sensor (A4 sensor) and ORG sensor is displayed when the documents are inserted to the Auto Feeder.

1. Operation

AUTO FEEDER

[ENTER]Key

300 MONO

[>] Key

600 MONO

[>] Key

300 COLOR

[>] Key

600 COLOR

without documents

()

with documents

A4 (A4 )

2. Press [STOP] key to exit the mode.

2.1.11 Flash memory test

The Flash memory is checked.

No. Flash memory Alarm Buzzer Remarks

1 NOR-Flash 1 time <Long sound>

FLASHM EMORY

Note: If this is excessively repeated, it will shorten the life of the Flash memory.

NOW CHECKING

FLASH OK

[ENTER]Key

When an error occurs, the alarm will sound.

End

Go to Auto Feeder Mode

Feeding documents will start by pressing ENTER key.

A4 (A4 ORG)

2. Note

ADF and FLATBED counter will be 0 over 65535.

Press [STOP] key to exit the mode.

2.1.13 Flatbed aging

Scanner motor will be driven based on the motor speed for each resolution. By pressing the [>] key or the [<] key, you can select the motor speed preliminary.

1. Operation

2. Press [STOP] key to exit the mode.

2.1.14 Message print (AM-400DE/F/IT/SE only)

In this mode, all the message data, which are used for displaying indication and list print are printed as a contrast table of the selected language and English.

2 – 10

AM-400DE

3. Print diagnosis

3.1. Single print

In this mode, a sheet with selected pattern is printed.

Printing size depends on Paper Size setting in Common Setting.

[>]Key

2: ALL WHITE

[>]Key

8: GENERAL CHART

[>]Key

3: ALL BLACK

[>]Key

4: AREA PATTERN

[>]Key

5: STRIPE PATTERN

[>]Key

6: H-TONEPATTERN

[>]Key

7: PHIL CHART

SINGLE PRINT

[ENTER]Key

1: CHECK PATTERN

[>]Key

11: IDBG CHART

[>]Key

10: SG CHRAT

[>]Key

9: 5% CHART

Select the desired pattern with the [>] key and [<] key and press the [ENTER] key.

1: Check Pattern : same as Figure 1 2: All White pat-

: Not printed tern 3: All Black pat-

: Printed with black within print area tern 4: Area pattern : Frame line is printed within print area 5: Stripe pattern : Lateral stripe (Black 2 lines and White 2 lines)

6: Halftone pat-

: same as Figure 3 tern

7: Phil chart : PHIL CHART pattern 8: General chart 9: 5 % chart 10: SG chart 11: IDBG chart

(a) Area pattern

It prints 30 mm long per a pattern.

1: Full Black pattern 2: Halftone 2 pattern (The Figure 2 is repeated.) 3: Halftone 1 pattern (The Figure 3 is repeated.) 4: Mesh point pat-

(The Figure 4 is repeated.) tern 5: Longitudinal stripe

(Black 2 dots and White 2 dots are repeated

in the line.) 2 pattern

6: Lateral stripe 2 pattern

7: Lateral stripe

(Black 2 lines and White 2 lines are

repeated.)

(Black 1 line and White 1 line are repeated.) 1 pattern

8: Full White pattern 9: Full Black pattern

Figure 1 Check Pattern

Figure 2 Halftone 2 Pattern

Figure 3 Halftone 1 Pattern

Figure 4 Mesh point Pattern

2 – 11

3.2. Continuous print

COPY AGING

[ENTER]Key

Start aging

CYCLE=000(s)

CYCLE=000(m)

Enter the cycle and press the [ENTER] key.

COUNT=0000(time)

Enter the counter and press the [ENTER] key.

PAGE=000(sheet)

Enter a number of pages and press the [ENTER] key.

[>]Key

LIFE MODE

[ENTER]Key

1: LIFE SETMODE

2: LIFE CLEAR

[>]Key

[ENTER]Key

0000000000

[ENTER]Key

1: SCAN(ADF)

3: PRINT

4: DRUM

5: TONER PAGE

6: TONER DOTCOUNT

LIFE MODE

[ENTER]Key

cursor position

[>]Key

0000000000

2: SCAN(FB)

[ENTER]Key

[>]Key

This mode is used for print aging.

Select the desired pattern and input cycle, counter, pages for aging.

Printing size depends on Paper Size setting in Common Setting.

CONTINUOUS PRINT

[ENTER]Key

1: CHECK PATTERN

[>]Key

11: IDBG CHART

[>]Key

10: SG CHRAT

[>]Key

9: 5% CHART

Select the desired pattern with the [>]k ey and [<]key and press the [ENTER] key.

CYCLE=000(s)

Enter the cycle and press the [ENTER] key.

COUNT=0000(time)

Enter the counter and press the [ENTER] key.

PAGE=000(sheet)

Enter a number of pages and press the [ENTER] key.

Start aging

1. Printing pattern

1: Check Pattern : same as Figure 1 2: All White pattern 3: All Black pattern 4: Area pattern : Frame line is printed within print area 5: Stripe pattern : Lateral stripe (Black 2 lines and White 2 lines) 6: Halftone pat-

tern 7: Phil chart : PHIL CHART pattern 8: General pattern 9: 5 % chart 10: SG chart 11: IDBG chart

2. Printing interval [CYCLE]: The time from printing end to next printing start.

Input Range: 001 to 999 seconds or 001 to 999 minutes.

3. Repeat printing [COUNT]: The number of printing cycle.

Input Range: 0001 to 9999 times.

4. Printing pages [PAGE]: The printing pages in one cycle of printing.

Input Range: 001 to 999 pages.

2: ALL WHITE

[>]Key

8: GENERAL CHART

[>]Key

CYCLE=000(m)

3: ALL BLACK

[>]Key

4: AREA PATTERN

5: STRIP PATTERN

6: H-TONE PATTERN

7: PHIL CHART

[>]Key

: Not printed

: Printed with black within print area

: same as Figure 3

AM-400DE

3.3. Copy aging

This mode is used for COPY Aging. The document on the flatbed or ADF will be scanned at the beginning of each cycle and printed it. The meaning of “CYCLE”, “COUNT” and “PAGE” are same as the case “CONTINUOUS PRINT”.

Printing size depends on Paper Size setting in Common Setting.

[>]Key

3.4. Life mode

This mode is used to set the life counter of the printer and the counter of the scanner at desired values and to clear them.

3.4.1 Life set mode

The values of life counter can be set in this mode.

1. Enter life set mode.

2. The cursor blinks at the top data. Four counters can be selected. Select the desired counter and input the counter value of 10 digits using the numeric keys. Pressing the [ENTER] key changed the counter value.

Note: Toner page counter cannot be changed.

Caution: These counters are not cleared after memory clear mode

is executed. If it is necessary to execute the memory clear mode on repairing the PWB, these life counters should be set again at the same time.

2 – 12

TRAY TEMP.

ON temp.=190 deg

OFF temp.=190 deg

FEED temp.=190 deg

TIME=10(s)

[ENTER]Key

[>]Key

Input temperature using the numeric keys

AM-400DE

3.4.2 Life clear mode

This mode is used for clearing life counters.

2: LIFE CLEAR

[ENTER]Key

1: LIFE CLEAR ALL

[>]Key

2: LIFE CLR EACH

[>]Key

(a) Life all clear

Press the [ENTER] key, and the life counters of the printer and the life counter of the scanner are set to 0.

Note: The value for Top void is not cleared.

(b) Life each clear

This mode is used to respectively clear the life counter of the printer and the counter of the scanner. Select the desired counter and press [ENTER] key.

Note: If “5: TONER” is executed, both “TONER PAGE” and “TONER DOTCOUNT” are cleared.

3.5. Top void adjust

This mode is used for adjusting the top margin for printing.

TOP VOID ADJUST

[ENTER]Key

1: PATTERN PRINT

3.5.1 Pattern print

For the print pattern, a graduation scale is printed on the leading edge of the paper with figures. Enter the smallest figure as a top void value.

3.5.2 Void setting

Enter a top void value.

Input range: [0 - 40]

3.6. Print adjust

This mode is used to set some values about the printer.

PRINT ADJUST

[ENTER]Key

FAN MD_TIME SET TRAY TEMP.

[>]Key

(a)[ENTER]Key

LI FE CLE AR

(b)[ENTER]Key

1: SCAN(ADF)

[>]Key

2: SCAN(FB)

[>]Key

3: PRINT

[>]Key

4: DRUM

[>]Key

5: TONER

[>]Key

2: VOID SETTING

[>]Key

PARAMETERLIST

[>]Key

[ENTER]Key

LI FE CLE AR

[ENTER]Key

LI FE CLE AR

[ENTER]Key

LI FE CLE AR

[ENTER]Key

LI FE CLE AR

[ENTER]Key

LI FE CLE AR

BYPASS TEMP.

[>] Key

FLICKER ADJUST

[>]Key

3.6.1 Fan MD time set

This mode is used to set the driving time of the fan motor after stopping the main motor.

[ENTER]Key

FAN MD_TIME SET

FAN MD_TIME( 02 )

Cursor position

• Default value: 02

• Input Range: MIN: 00, MAX: 63

• Unit: Minute

After entering the value, the Printer Adjust mode ends and the next mode is displayed.

3.6.2 Tray temp.

This mode is used to set the temperature of fixing when printing from the standard tray.

1. ON TEMP.

The temperature to start turning on the heater.

• Default value: 190

• Range: MIN: 170, MAX: 233

• Unit: Centigrade

2. OFF TEMP.

The temperature to start turning off the heater.

• Default value: 190

• Range: MIN: 170, MAX: 233

• Unit: Centigrade

3. FEED TEMP.

The temperature to start feeding the paper.

• Default value: 190

• Range: MIN: 170, MAX: 233

• Unit: Centigrade

4. TIME

Warming up time after reaching the temperature that the printing can be done.

• Default value: 10

• Range: MIN: 10, MAX: 63

• Unit: Second

2 – 13

3.6.3 Bypass temp.

TEST MODE

[ENTER]Key

1: MOTOR AGING 2: CHARGER ADJUST

[>]Key

3: PAPER FEED

[>]Key

5: PRINT SIZE

[>]Key

4: COM TEST

[>]Key

1: MOTOR AGING

[ENTER]Key

HT 1: ON 2: OFF

MM_AGING: HT_ON

MM_AGING: HT_OFF

[1]Key

[2]Key

2: CHARGER ADJUST

[ENTER]Key

NOW ADJUSTING

3: PAPER FEED

[ENTER]Key

NOW AGING

This mode is used to set the temperature of fixing when printing from the bypass tray.

BYPASS TEMP.

[ENTER]Key

ON temp.=200 deg

[>]Key

OFF temp.=200 deg

[>]Key

FEED temp.=200 deg

[>]Key

TIME=10(s)

[>]Key

Input temperature using the numeric keys

1. ON TEMP.

The temperature to start turning on the heater.

• Default value: 200

• Range: MIN: 170, MAX: 233

• Unit: Centigrade

2. OFF TEMP.

The temperature to start turning off the heater.

• Default value: 200

• Range: MIN: 170, MAX: 233

• Unit: Centigrade

3. FEED TEMP.

The temperature to start feeding the paper.

• Default value: 200

• Range: MIN: 170, MAX: 233

• Unit: Centigrade

4. TIME

Warming up time after reaching the temperature that the printing can be done.

• Default value: 10

• Range: MIN: 10, MAX: 63

• Unit: Second

3.6.4 Flicker adjust

This mode is specified the number of table for the countermeasures of “FLICKER”.

[ENT ER]K ey

FLICKER ADJUST

FLICKER NO.=06

AM-400DE

3.7. Test mode

This mode is used for printer aging on the two modes.

3.7.1 Motor aging

1. The motor aging starts with heater on or with heater off.

2. To exit the aging, press [STOP] key.

3.7.2 Charger adjust

This mode is used to check the high-pressure control.

1. Operation

1. Press the [ENTER] key to operate the mode.

2. Press the [STOP] key to exit this mode.

3.7.3 Paper feed

This mode is used to check Mechanical Controller in the High speed mode.

Note: This mode is not used actual printing.

1. Operation

1. Press the [ENTER] key to operate the mode.

2. Press the [STOP] key to exit this mode.

• Default value: 06

• Input Range: MIN: 00, MAX: 63

• Unit: -

3.6.5 Parameter list

Printing the parameter for fixing.

PARAMETER LIST

[ENT ER]K ey

PRINTING

2 – 14

AM-400DE

Enter paper size on bypass tray with numeric key and press the [ENTER] key.

PRINT SIZE

Press [ENTER]Key

SIZE=215. 9x279. 4

3.7.4 COM test mode

You can check the communication between the main CPU and the printer controller on this mode. Concretely, input the command number from the main CPU and can read the response from the printer controller.

1. Operation

4: COM TEST

[ENTER]Key

SR =

[>]Key

EC =

[>]Key

EEC , =

[>]Key

ESR =

(a) cursor position

1. Press the [ENTER] key to enter the mode.

2. Select the mode “SR”, “EC”, “EEC”, or “ESR” using the “<“ or the “>” key. The “>” key can be used to select the mode only when a cursor is in the position of (a).

3. Enter the value using the numeric keys.

“SR”, “EC”, “ESR”

• Range MIN: 00, MAX: 31

“EEC”

• Range MIN: 00, MAX: 63

4. Press the [STOP] key to exit this mode.

ex)[1],[ 2]Key

SR12 =01

ex)[1],[ 2]Key

EC12 =10

ex)[1],[ 2],[3],[4] Key

EEC12,34 = 80 13

ex)[1],[ 2]Key

ESR12 =15

3.7.5 Print size

This function is prepared for the function in the future. Now there is no meaning.

1. Operation

4. How to make soft switch setting

To enter the soft switch mode, press the following key entries in sequence.

Press

DATA No. 1 2 3 4 5 6 7 8

SW01=00000000

SW01=10000000

SW02=00000000

SW99=00000000

9 8 7 START

ENTER

Press MENU key.

Press key.

Bit1 - 8 are set.

Press key during setting.

ENTER

Soft SW01 - SW99 are set.

To finish the settings halfway between SW01 and SW99, press the STOP key. In this case, the setting being done to the SW No. on display will be nullified while settings done to the preceding SW No. remain in effect.

When the QUALITY key is pressed, the contents of soft switches are printed.

The soft switch mode is terminated.

2 – 15

5. Soft switch description

5.1. Soft switch

AM-400DE

NO.

SW1

DATA

NO.

Recall interval 0

1 2 3 4

Recall times 0

5 6 7 8

Memory retransmission

times

2 3 4

ITEM

Switch setting and function Initial setting

10DEFITSEH

Binary input

No. = 8 4 2 1

1234(DataNo.)

EX0101

eg. Recall interval is set 5 min.

Binary input

No.=8421

5678(DataNo.)

EX0010

eg. Recall times is set 2 times

Binary input

No.=8421

1 2 3 4 (Data No.)

EX0001

eg. Retransmission time set to 1 time.

Remarks

1 0 1

0 1 0

0 0 0 1

SW2

SW3

Memory retransmission

interval

6 7 8

Number of rings for auto-

receive (0: No ring receive)

2 3 4

COPY/FAX/SCAN mode 5 6

7 Receive mode AUTO MANUAL 1 1 1 1 1 8 Reserved 00000

No. 5 0 0 1 1 No. 6 0 1 0 1

COPY FAX SCAN SCAN

Binary input

No.=8421

5678(DataNo.)

EX0010

eg. Retransmission interval to 2 minutes.

Binary input

No.=8421

1234(DataNo.)

EX0001

eg. Number of rings for auto receive is set to 1.

0 0

000000000

0 1 0

0 0 0 1

2 – 16

AM-400DE

NO.

SW4

SW5

SW6

SW7

SW8

DATA

NO.

1 Reserved 0000 0 2 Reserved 0000 0 3 Reserved 0000 0 4 Reserved 0000 0 5 Time display format 24 hours 12 hours-AM/PM 1 1 1 1 1 6 Date display format Month-Day-Year Day-Month-Year 0 0 0 0 0 7 Summer time (Daylight sav-

ing) 8 Flatbed document size of TX

mode

Alarm volume Off High Low Low

1 2

Ringer volume Off High Middle Low

3 4 5 Dial mode PULSE TONE 0 0 0 0 0 6 Header registration No Yes 0 0 0 0 0

Auto clear Off 30sec 60sec 120sec

7 8

Communication results print-

out

1 2 3

4 Automatic printing of activity

report 5 Printout of total time and total

number of pages on activity

report

Fax default resolution Stan-

6 7

8 Reserved 0000 0 1 ECM mode Off On 0 0 0 0 0 2 Reserved 0000 0 3 Header print Off On 0 0 0 0 0 4 Footer print On Off 0 0 0 0 0 5 Reserved 0000 0 6 Reserved 0000 0 7 MMR On Off 1 1 1 1 1 8MR On Off 11111 1 CIS transmission Off On 0 0 0 0 0 2 DIS receive acknowledge dur-

ing G3 transmission 3 Non-modulated carrier in V.29

transmission mode 4 CNG send when manual TX On Off 1 1 1 1 1 5 Protocol monitor On Off 0 0 0 0 0 6 Signal monitor On Off 0 0 0 0 0 7 Reserved 0000 0 8 Reserved 1111 1

ITEM

No Yes 0 0 0 0 1

LETTER A4 0 0 0 0 0

No. 10011 No. 20101

No. 30011 No. 40101

No. 70011 No. 80101

No. 100011 No. 200101 No. 310000

Yes (When memory full) No (1st data is cleared

Off On 0 0 0 0 0

No. 6001 No. 7010

Twice Once in NSF reception,

On Off 0 0 0 0 1

Switch setting and function Initial setting

10DEFITSEH

101010101

111111111

101010101

Printed at error

only

dard

error/

timer

FINE S-FINE

Send

only

when memory full)

twice in DIS reception

Never

prints

Always

prints

1 0000 0

000000000

0000 0

Remarks

0 0 1

2 – 17

AM-400DE

NO.

SW9

SW10

SW11

SW12

DATA

NO.

1 Action when RTN received Handle to no error Handle to error 0 0 0 0 1 2 Reserved 00000 3 Reserved 00000 4 Reserved 11111 5 Reserved 00000 6 V.34 mode function in case

of manual communication 7 V.34 mode function On Off 1 1 1 1 1 8 V.34 control channel com-

munication speed

Modem speed No. 1 No.2 No. 3 No. 4

1 2 3 4

Reception speed fixed No V.17-

5 6

Compromised equalizer 0Km 1.8Km 3.6Km 7.2Km

7 8

CED tone signal interval 75ms 500ms 750ms 1000ms

1 2

EOL detection timer 13sec 25sec 5sec 5sec

3 4

Processing of DIS reception

after DIS transmission

5 6 7 Reserved 00000 8 Reserved 00000

Signal transmission level 0

1 2 3 4 5

ITEM

On Off 1 1 1 1 1

2400bps 1200bps 0 0 0 0 0

V.33 14400bps 0 1 0 0 V.33 12000bps 0 1 1 0 V.17 14400bps 1 0 0 0 V.17 12000bps 1 0 1 0

V.17 9600bps 1 0 0 1 V.17 7200bps 1 0 1 1 V.29 9600bps 0 0 0 1

V.29 7200bps 0 0 1 1 V.27ter 4800bps 0 0 1 0 V.27ter 2400bps 0 0 0 0

No. 50101 No. 60110

No. 70011 No. 80101

No. 10011 No. 20101

No. 30011 No. 40101

No. 50011 No. 60101

Switch setting and function Initial setting

10DEFITSEH

V.29-

14400

BPS

Command

retrans-

mitting

No.= 168421

EX0 1011

eg. Signal transmission level is set to -10dBm

A line is

cut

Binary input

1 2 3 4 5 (Data No.)

9600

BPS

Apply to

T. 30

V.27 ter-

4800

T.30 +

alpha

BPS

000000000

00000

000000000

0 1

000

Remarks

1 0 0 0

0 1 0 1 1

6 Reserved 00000 7 Reserved 00000 8 Reserved 00000

2 – 18

AM-400DE

NO.

SW13

SW14

DATA

NO.

DTMF output level (High) 1

1 2 3 4 5

6 Reserved 000 00 7 Reserved 000 00 8 Reserved 000 00

DTMF output level (Low) 1

1 2 3 4 5

6 Reserved 000 00 7 Reserved 000 00 8 Reserved 000 00

V.34 mode transmission

speed

2 3 4

ITEM

Switch setting and function Initial setting

10DEFITSEH

Binary input

No.= 168421

1 2 3 4 5 (Data No.)

EX1 0001 eg. Signal transmission level is set to -10dBm

Binary input

No.= 168421

1 2 3 4 5 (Data No.)

EX1 0110 eg. Signal transmission level is set to -10dBm

Sending speed = 2400(bps) x n

Example:

2400(bps) x 12 = 28800(bps)

2400(bps) is set for N=0. 33600(bps) is set for N=15.

1 0

Remarks

1 0 0 0 1

1 0 1 1 0

1 1 1 0

SW15

SW16

SW17

V.34 mode receiving speed 1

5 6 7 8

1 Reserved 000 00 2 Reserved 000 00 3 Reserved 000 00 4 Reserved 110 00 5 Reserved 000 00 6 Reserved 000 00 7 Reserved 010 00 8 Reserved 000 00

Delay time before line connect auto dial

1 2

Delay timer after line connect auto dial

3 4

Calling time 45s 90s 55s

5 6

CNG timing 3.5s 1.5s 3.0s

7 8

Receving speed = 2400(bps) x n

Example:

2400(bps) x 12 = 28800(bps)

2400(bps) is set for N=0. 33600(bps) is set for N=15.

0s 1.5s 3.0s No. 1 0 0 1 No. 2 0 1 0

1.7s 3.0s 3.6s 4.0s No. 3 0 0 1 1 No. 4 0 1 0 1

No. 5 0 0 1 No. 6 0 1 0

No. 7 0 0 1 No. 8 0 1 0

1 1

010101010

111111111

010101010

1 1

1 1 1 0

2 – 19

AM-400DE

NO.

SW18

SW19

SW20

SW21

DATA

NO.

1 Key push sound On Off 1 1 1 1 1 2 Line monitor type Fax and Dial dial only 0 0 0 0 0 3 Pause time 4sec 2sec 1 1 1 1 1 4 Ringing Display (if ringer vol-

ume is OFF)

5 Dial tone detection (before

autodial)

6 Busy tone detection (after

autodial) 7 Reserved 000 00 8 Line monitor On Off 0 0 0 0 0

CI signal frequency No. 1 No.2 No. 3 No. 4

1 2 3 4

CI signal OFF detect enable

time

5 6 7 8 Method of detecting CI fre-

quency 1 Pulse Format of D.P. N+1 N 0 0 0 1 0

Inter digit pause time 800ms 840ms 880ms 900ms 1000ms

2 3 4

5 Pulse Mark/Break Ratio 40/60 33/67 1 0 1 1 0 6 The change to DB from DP

by ( ) 7 Reserved 000 00 8 Reserved 000 00 1 Reserved 111 11 2 DTMF sending by panel test

mode

Number of busy tone pulse

detection

3 4

5 Reserved 000 00 6 Reserved 111 11 7 Reserved 000 00 8 Reserved 111 11

ITEM

On Off 1 1 1 1 1

On Off 0 0 0 0 0

11.6-76.9 0 0 0 0

14.0-76.9 0 0 0 1

14.5-76.9 0 0 1 0

15.5-76.9 0 0 1 1

20.0-58.8 0 1 0 0

20.0-66.6 0 1 0 1

19.6-76.9 0 1 1 0

25.0-58.8 0 1 1 1

35.0-76.9 1 0 0 0

200ms 0 0 0 300ms 0 0 1 350ms 0 1 0 400ms 0 1 1 500ms 1 0 0 700ms 1 0 1

1200ms 1 1 0

Not used 1 1 1

Modem FW 0 0 0 0 0

No. 200001 No. 300110 No. 401010

Yes N o 1 1 1 1 1

Yes N o 0 0 0 0 0

No. 3 0 0 1 1 No. 4 0 1 0 1

Switch setting and function Initial setting

10DEFITSEH

No. 5No. 6No. 7

2pulse 4pulse 6pulse 8pulse

000000000

Remarks

0 0 0 0

1 0 1

0 0 0

2 – 20

AM-400DE

SW NO.

SW22

SW23

SW24

SW25

SW26

DATA

NO.

1 Print mode when printer life

over

2 Print mode when drum life

over 3 Print mode when toner empty Continue Stop 0 0 0 0 0 4 Print mode when toner

unsuitable 5 Print mode when paper size

error 6 Print mode when paper tray

removed 7 Reserved 11111 8 Reserved 11111

Paper size at tray Letter A4 Legal N/A

1 2 3 4

Fan time after printing 10min. 20min. 30min. 5min.

5 6

7 Reserved 00000 8 Reserved 00000 1 Automatic reduce of receive 100% Auto reduce 0 0 0 0 0 2 Reserved 00000 3 Reserved 00000 4 Reserved 00000 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000

Copy default content type 1 2

Copy default quality 3 4

Copy default center contrast

(for TEXT)

5 6

Copy default center contrast

(for PHOTO)

7 8

Speaker volume 1 2 3 Reserved 00000 4 Reserved 00000 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000

ITEM

Continue Stop 1 1 1 1 1

Continue Stop 0 0 0 0 0

Continue Stop 1 1 1 1 1

Continue Stop 0 0 0 0 0

No. 1 0 0 0 x No. 2 0 0 0 x No. 3 0 0 1 x No. 4 0 1 0 x

No. 5 0 0 1 1 No. 6 0 1 0 1

No. 1 0 1 No. 2 0 0

No. 3 0 1 No. 4 0 1

No. 5 0 0 1 1 No. 6 0 1 0 1

No. 7 0 0 1 1 No. 8 0 1 0 1

No. 1 0 0 1 1 No. 2 0 1 0 1

Switch setting and function Initial setting

10DEFITSEH

Text Photo

300 600

Dark Normal Light Normal

Low Middle High Low

000000000

010101010

000000000

Remarks

0 0 0 1

2 – 21

AM-400DE

SW NO.

SW27

SW28

SW29

SW30

SW31

SW32

DATA

NO.

Fax default center contrast No. 1 No. 2

1 2 3 Reserved 00000

Copy default contrast No. 4 No. 5 No. 6

4 5 6

7 Reserved 00000 8 Reserved 00000 1 Reserved 00000 2 Reserved 00000 3 Reserved 00000 4 Reserved 11111 5 Reserved 00001 6 Reserved 00000 7 Reserved 00001 8 Reserved 00000 1 Reserved 00001 2 Reserved 11110 3 Reserved 11110 4 Reserved 00001 5 Reserved 11110 6 Reserved 11110 7 Reserved 00000 8 Reserved 00000 1 Reserved 00000 2 Reserved 00000 3 Reserved 4 Reserved 00000 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000 1 USB high speed setting Disable Enable 0 0 0 0 0 2 Reserved 00000 3 Reserved 00000 4 Reserved 00000 5 Reserved 00000 6 Reserved 11111 7 Reserved 00000 8 Reserved 00000 1 Reserved 00000 2 Reserved 00000 3 Reserved 00000 4 Reserved 00000 5 Reserved 11111 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000

ITEM

Darker 0 0

Dark 0 0

Normal 0 1

Light 0 1 Lighter 1 0 Normal Other setting

Darker000

Dark001 Normal010

Light 0 1 1 Lighter 1 0 0

Lightest 1 1 0 Darkest101

Normal Other setting

Switch setting and function Initial setting

10DEFITSEH

010101010

00000

Remarks

0 1 0

2 – 22

AM-400DE

SW NO.

SW33

SW34

SW35

SW36

SW37

SW38

SW39

DATA

NO.

1 Reserved 00000 2 Reserved 00000 3 Reserved 00000 4 Reserved 00000 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000 1 Reserved 00000 2 Reserved 00000 3 Reserved 00000 4 Reserved 00000 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000 1 Reserved 00000 2 Reserved 00000 3 Reserved 00000 4 Reserved 00000 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000 1 Reserved 00000 2 Reserved 00000 3 Reserved 00000 4 Reserved 00000 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000 1 Reserved 00000 2 Reserved 00000 3 Reserved 00000 4 Reserved 00000 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000 1 Reserved 00000 2 Reserved 00000 3 Reserved 00000 4 Reserved 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000 1 Reserved 00000 2 Reserved 00000 3 Reserved 00000 4 Reserved 00000 5 Reserved 00000 6 Reserved 00000 7 Reserved 00000 8 Reserved 00000

ITEM

Switch setting and function Initial setting

10DEFITSEH

00000

Remarks

2 – 23

AM-400DE

SW NO.

SW40

SW41

SW42

SW43

SW44

SW45

SW46

DATA

NO.

ITEM

Switch setting and function Initial setting

10DEFITSEH

00000

Remarks

2 – 24

AM-400DE

SW NO.

SW47

SW48

SW49

SW50

SW99

DATA

NO.

ITEM

Switch setting and function Initial setting

10DEFITSEH

Remarks

2 – 25

5.2. Soft switch function description

SW1 No. 1 ~ No. 4 Recall interval

Choice is made for a recall interval for speed and rapid dial numbers. Use a binary number to program this. If set to 0 accidentally, 1 will be assumed.

SW1 No. 5 ~ No. 8 Recall times

Choice is made as to how many recall times should be made. Use a

binary number to program this.

SW2 No. 1 ~ No. 4 Memory retransmission times

The number of memory retransmissions is set.

SW2 No. 5 ~ No. 8 Memory retransmission interval

The interval between memory retransmissions is set.

SW3 No. 1 ~ No. 4 Number of rings for auto-receive (0: No ring receive)

When the machine is set in the auto receive mode, the number of rings before answering can be selected. It may be set from one to nine rings using a binary number. If the soft switch was set to 1, a direct connection is made to the facsimile. If it was set to 0 accidentally, receive ring is set to 1. If it was above 9, receive rings are set to 9.

SW3 No.5, No.6 COPY/FAX/SCAN mode

An operation mode for each copy, fax, or PC scan is set.

SW-3 No. 7 Receive mode

Auto/extension telephone receiving mode is set.

SW-3 No. 8 Reserved

Set to “0”.

SW-4 No. 1 ~ No. 4 Reserved

Set to “0”.

SW4 No. 5 Time display format

When this switch is set to "0", time is displayed in 12-hour system.

When set to "1", 24-hour system.

SW4 No. 6 Date display format

Used to select date display/print formats.

0: DAY-Month-Year

1: Month-Day-Year

SW4 No. 7 Summer time (Daylight saving)

The daylight saving function ON/OFF is set.

SW4 No. 8 Flatbed document size of TX mode

Used to set a document scan length for fax transmission from the flatbed.

SW5 No. 1, No. 2 Alarm volume

Used to set volume of the end buzzer or error buzzer for facsimile transmission/reception.

SW5 No. 3, No. 4 Ringer volume

Ringer volume:

The calling sound volume of CI signal receiving is set.

SW5 No. 5 Dial mode

Switch the type according to the telephone circuit connected to the facsimile.

0: PULSE DIAL

1: TONE DIAL

SW5 No. 6 Header registration

When setting this switch to "1", registering senders is protected.

AM-400DE

SW5 No. 7, No. 8 Auto Clear

Used to set the retention time for the copy settings. After the specified auto clear time elapses, the default settings return.

SW6 No. 1 ~ No. 3 Communication results printout

It is possible to obtain communication results after each transaction. Normally, the switch is set (No. 1: 0, No. 2: 0, No. 3: 1) so that the communication result is produced only a communication error is encountered.

If No. 1 was set to 1, No. 2 was set to 1 and No. 3 was set to 0, the communication result will be produced every time a communication is done, even if the communication was successful. If No. 1 was set to 0, No. 2 to 1 and No. 3 to 0, the communication result will be produced every transmission. Setting No. 1 to 1 No. 2 to 0 and No. 3 to 0 will disable this function. No transaction report will be printed. If No. 1 was set to 0, No. 2 to 0 and No. 3 to 0, the communication result is produced only after a timer and memory transmission or when a communication error is encountered.

SW6 No. 4 Automatic printing of activity report

This soft switch is used to select; whether or not to produce the activity report when the memory is full (about 30 items). An activity report can be produced from Report&List mode.

After producing the activity report, all the data in the memory will be cleared. When the switch function is set to "0" (NO), the data in memory will be deleted from the oldest as it reaches the maximum memory capacity (approx. 30 items).

SW6 No. 5 Print out total time and total number of pages on activity report

Used to print out the total communication time and the total pages sent/received on the activity report.

SW6 No. 6, No. 7 Fax default resolution

Used to set the transmission mode which is automatically selected when the QUALITY key is not pressed. In the copy mode, however, the fine mode is automatically selected unless the QUALITY key is manually set to another mode.

SW6 No. 8 Reserved

Set to "0".

SW7 No. 1 ECM mode

Used to determine ECM mode function.

SW7 No. 2 Reserved

Set to "0".

SW7 No. 3 Header print

When it is set at 0, sender’s name, sending page number and so on are automatically printed in the recording paper on the receiving side during transmission. Thus, the sender can be known on the receiving side.

0: Applied.

1: Not applied.

SW7 No. 4 Footer print

When set to "1", the date of reception, the sender machine No., and the page No. are automatically recorded at the end of reception.

SW7 No. 5, No.6 Reserved

Set to "0".

SW7 No. 7 MMR

MMR (Modified MR) selects presence of the compression function.

SW7 No. 8 MR

MR (Modified READ) selects presence of the compression function.

2 – 26

AM-400DE

SW8 No.1 CSI transmission

CSI signal contains the sender’s phone number registered in the machine. If this switch is set to "1", no sender’s name will be printed at the receiving side.

SW8 No. 2 DIS receive acknowledge during G3 transmission

Used to make a choice of whether reception of NSF (DIS) is acknowledged after receiving two NSFs (DISs) or receiving one NSF (two DISs). It may be useful for overseas communication to avoid an echo suppression problem, if set to 1.

SW8 No. 3 Non-modulated carrier in V.29 transmission mode

Though transmission of a non-modulated carrier is not required for transmission by the V29 modem according to the CCITT Recommendation, it may be permitted to send a non-modulated carrier before the image signal to avoid an echo suppression problem. It may be useful for overseas communication to avoid an echo suppression problem, if set to 1.

SW8 No. 4 CNG send when manual TX

CNG signal sending ON/OFF in case of manual transmission is set.

SW8 No. 5 Protocol monitor

Normally set to "0". If set to "1", communication can be checked, in case of troubles, without using a G3 tester or other tools. When communication FSK data transmission or reception is made, the data is taken into buffer. When communication is finished, the data analyzed and printed out. When data is received with the line monitor (SW7-No.

7) set to "1" the reception level is also printed out.

SW8 No. 6 Signal monitor

Normally set to "0". If set to "1", the transmission speed and the reception level are displayed on the LCD. Used for line tests.

SW8 No. 7 Reserved

Set to "0".

SW8 No.8 Reserved

Set to "1".

SW9 No.1 Action when RTN received

The operation is set when the RTN signal is received in the G3 transmission mode.

SW9 No. 2, No.3 Reserved

Set to "0".

SW9 No. 4 Reserved

Set to "1".

SW9 No. 5 Reserved

Set to "0".

SW9 No. 6 V.34 mode function in case of manual communication

Used to select whether the V.34 mode is made valid when automatically transmitting/receiving.

SW9 No. 7 V.34 mode function

Used to select the V.34 mode for communication when set to “1” communication method is V.34 mode.

SW9 No. 8 V.34 control channel communication speed

Used to select the control channel communication speed for V.34 mode.

SW10 No. 1 ~ No. 4 Modem speed

Used to determine the initial modem speed. The default is 14400BPS(V.17). It may be necessary to program it to a slower speed when frequent line fallback is encountered, in order to save the time required for the fallback procedure.

SW10 No. 5, No. 6 Reception speed fixed

The transferable speed of modem in the receiving mode is set.

SW10 No. 7, No. 8 Compromised equalizer

The specific line equalizer is inserted.

No. 1 No. 2

0 0: The line equalizer built in the modem is turned off.

0 1: Line equalizer corresponding to 1.8 km.

1 0: Line equalizer corresponding to 3.6 km.

0 1: Line equalizer corresponding to 7.2 km.

SW11 No. 1, No. 2 CED tone signal interval

For international communication, the 2100Hz CED tone may act as an echo suppressor switch, causing a communication problem. Though this soft switch is normally set to "0", it should be set to "1" so as to change the time between CED tone and DIS signal from 75ms to 500ms to eliminate the communication problem caused by echo.

SW11 No. 3, No. 4 EOL detection timer

Used to make a choice of whether to use the 25-second or 13-second timer for detection of End of line This is effective to override communication failures with some facsimile models that have longer End of line detection.

SW11 No. 5, No. 6 Processing of DIS reception after DIS transmission

When receiving, operation in case of DIS reception after DIS transmission is selected. Retransmitting command: To retransmit DIS in disregard of DIS reception.

Breaking circuit: To break circuit instantly. (Abnormal finish)

T. 30: To operate in accordance with T. 30.

T. 30+<: To operate in accordance with T. 30+<. (To operate differently according to cases.)

SW11 No. 7, No.8 Reserved

Set to "0".

SW12 No. 1 ~ No. 5 Signal transmission level

Used to control the signal transmission level in the range of -0dB to 31dB.

SW12 No. 6 ~ No.8 Reserved

Set to "0".

SW13 No. 1 ~ No. 5 DTMF output level (High)

To set the level to output high group DTMF signals. -15 to 0 dBm (0.5 dBm unit)

SW13 No. 6 ~ No. 8 Reserved

Set to "0".

SW14 No. 1 ~ No. 5 DTMF output level (Low)

To set the level to output low group DTMF signals. -15 to 0 dBm (0.5 dBm unit)

SW14 No. 6 ~ No. 8 Reserved

Set to "0".

SW15 No. 1 ~ No. 4 V.34 mode transmission speed

Used to determine the initial modem speed when communication method is V.34 transmission mode.

SW15 No. 5 ~ No. 8 V.34 mode receiving speed

Used to determine the initial modem speed when communication method is V.34 reception mode.

SW16 No. 1 ~ No. 3 Reserved

Set to "0".

2 – 27

SW16 No. 4 Reserved (AM-400DE/IT)

Set to "1".

SW16 No. 4 Reserved (AM-400F/SE/H)

Set to "0".

SW16 No. 5, No. 6 Reserved

Set to "0".

SW16 No. 7 Reserved (AM-400DE/IT/SE/H)

Set to "0".

SW16 No. 7 Reserved (AM-400F)

Set to "1".

SW16 No. 8 Reserved

Set to "0".

SW17 No. 1, No. 2 Delay timer before line connect in auto dial

Set a time period between start of dial operation and line connection in the auto dial mode.

SW17 No. 3, No. 4 Delay timer after line connect in auto dial

Set a time period between dial-up line connection and dial data transmission in the auto dial mode.

SW17 No. 5, No. 6 Calling time

Set the call time for dialing in the auto dial mode.

SW17 No. 7, No. 8 CNG timing

Set a time period between dialing in the auto dial mode and CNG signal transmission.

SW18 No. 1 Key push sound

Used to toggle the key sound between on and off.

SW18 No. 2 Line monitor type

The time period to monitor the sound on the line is set.

0: From the start of dialing, and until the call reaches receiving party

1: From the start of dialing to the end of the communication

SW18 No. 3 Pause time

The dial pause time is set.

SW18 No. 4 Ringing display (if ringer volume is OFF)

When set to “1” and ringer volume is OFF, “RINGING” display informs you that the CI signals are received.

SW18 No. 5 Dial tone detection (before auto dial)

When set to “1”, a number is dialed after detecting the dial tone.

SW18 No. 6 Busy tone detection (after auto dial)

When set to “1”, the busy tone is detected after dialing a number.

SW18 No. 7 Reserved

Set to "0".

SW18 No. 8 Line monitor

When set to “1”, sound on the line is monitored in transmission.

SW19 No.1 ~ No. 4 CI signal frequency

Used to set a frequency that is considered as the CI signal.

SW19 No. 5 ~ No. 7 CI signal OFF detect enable time

Used to set the maximum length of CI signal OFF time, which is used to determine a sequence of CI signals.

SW19 No. 8 Method of detecting CI frequency

CI frequency detection method is set.

AM-400DE

SW20 No. 1 Pulse format of D.P.

Used to set pulse format of D.P. mode.

SW20 No. 2 ~ No. 4 Inter digit pause time

Used to set the pause time between pulses

SW20 No. 5 Pulse Make/Break ratio.

Used to set pulse ratio of D.P. mode.

SW20 No. 6 The change to DB from DP by ( )

When setting to 1, the mode is changed by pressing the key from the pulse dial mode to the tone dial mode.

SW20 No. 7, No. 8 Reserved

Set to "0".

SW21 No. 1 Reserved

Set to "1".

SW21 No. 2 DTMF sending by panel test mode

With this switch set to “1”, the DTMF signal is sent when a numeric key is pressed in the panel test mode.

SW21 No. 3, No. 4 Busy tone detection pulse number

Used to set detection of Busy tone intermittent sounds.

SW21 No. 5 Reserved

Set to "0".

SW21 No. 6 Reserved

Set to "1".

SW21 No. 7 Reserved

Set to "0".

SW21 No. 8 Reserved

Set to "1".

SW22 No. 1 Print mode when printer life over

Used to set whether the printing operation stops or not when the PRINTER LIFE OVER error occurs.

SW22 No. 2 Print mode when drum life over

Used to set whether the printing operation stops or not when the DRUM LIFE OVER error occurs.

SW22 No. 3 Print mode when toner empty

Used to set whether the printing operation stops or not when the TONER EMPTY error occurs.

SW22 No. 4 Print mode when toner unsuitable

Used to set whether the printing operation stops or not when the TONER UNSUITABLE error occurs.

SW22 No. 5 Print mode when size error

Used to set whether the printing operation stops or not when the SIZE ERROR occurs.

SW22 No. 6 Print mode when paper tray removed

Used to set whether the printing operation stops or not when the PAPER TRAY REMOVED error occurs.

SW22 No. 7, No. 8 Reserved

Set to "1".

SW23 No. 1 ~ No. 4 Paper size at tray

The paper size in the tray is set.

SW23 No. 5, No. 6 Fan time after printing

Set the FAN rotation time for completed print operation.

2 – 28

AM-400DE

SW23 No. 7, No. 8 Reserved

Set to "0".

SW24 No. 1 Automatic reduce of receive

If set to 1, it is reduced automatically.

SW24 No. 2 ~ No. 8 Reserved

Set to "0".

SW25 No. 1, No. 2 Copy default content type

The default copy scanning quality is set.

SW25 No. 3, No. 4 Copy default quality

Copy scanning resolution is set.

SW25 No. 5, No. 6 Copy default center contrast (for TEXT)

When the copy scanning quality is set to the TEXT mode, this switch is used to set the reference contrast of the center value for the default contrast setting (SW27 No. 4 ~ No. 6).

SW25 No. 7, No. 8 Copy default center contrast (for PHOTO)

When the copy scanning quality is set to the PHOTO mode, this switch is used to set the reference contrast of the center value for the default contrast setting (SW27 No. 4 ~ No. 6).

SW26 No. 1, No. 2 Speaker volume

The line monitor volume is set.

SW26 No. 3 ~ No. 8 Reserved

Set to "0".

SW27 No. 1, No. 2 Fax default center contrast

Used to set the reference contrast of the center value for the fax contrast setting.

SW27 No. 3 Reserved

Set to "0".

SW27 No. 4 ~ No. 6 Copy default contrast

The default is set in the copy contrast setting.

SW27 No. 7, No. 8 Reserved

Set to "0".

SW28 No. 1 ~ No. 3 Reserved

Set to "0".

SW28 No. 4 Reserved

Set to "1".

SW28 No. 5 Reserved (AM-400DE/F/IT/SE)

Set to "0".

SW28 No. 5 Reserved (AM-400H)

Set to "1".

SW28 No. 6 Reserved

Set to "0".

SW28 No. 7 Reserved (AM-400DE/F/IT/SE)

Set to "0".

SW28 No. 7 Reserved (AM-400H)

Set to "1".

SW28 No. 8 Reserved

Set to "0".

SW29 No. 1 Reserved (AM-400DE/F/IT/SE)

Set to "0".

SW29 No. 1 Reserved (AM-400H)

Set to "1".

SW29 No. 2, No. 3 Reserved (AM-400DE/F/IT/SE)

Set to "1".

SW29 No. 2, No. 3 Reserved (AM-400H)

Set to "0".

SW29 No. 4 Reserved (AM-400DE/F/IT/SE)

Set to "0".

SW29 No. 4 Reserved (AM-400H)

Set to "1".

SW29 No. 5, No. 6 Reserved (AM-400DE/F/IT/SE)

Set to "1".

SW29 No. 5, No. 6 Reserved (AM-400H)

Set to "0".

SW29 No. 7, No. 8 Reserved

Set to "0".

SW30 No. 1 ~ No. 8 Reserved

Set to "0".

SW31 No. 1 USB high speed setting

Used to set whether the USB high speed mode is activated or not.

SW31 No. 2 ~ No. 5 Reserved

Set to "0".

SW31 No. 6 Reserved

Set to "1".

SW31 No. 7, No. 8 Reserved

Set to "0".

SW32 No. 1 ~ No. 4 Reserved

Set to "0".

SW32 No. 5 Reserved

Set to "1".

SW32 No. 6 ~ No. 8 Reserved

Set to "0".

SW33 ~ SW99 No. 1 ~ No. 8 Reserved

Set to "0".

2 – 29

[3] Troubleshooting

Refer to the following actions to troubleshoot any of the problems mentioned in 1-4.

[1] A communication error occurs.

[2] Image distortion produced.

[3] Unable to do overseas communication.

[4] Communication speed slow due to FALLBACK.

• In crease the transmission level SOFT SWITCH 12-1, 2, 3, 4, 5. May be used in case [1] [2] [3].

• Decrease the transmission level SOFT SWITCH 12-1, 2, 3, 4, 5. May be used in case [3].

• Apply line equalization SOFT SWITCH 10-7, 8. May be used in case [1] [2] [3] [4].

TO: ATT: Ref.No. :

CC: ATT: Date :

FM: Dept :

***** Facsimile communication problem ***** Ref.No.:

Our customer Name Tel No.

Other party Name Tel N o .

Problem mode Line: Domestic / international Model: G3 Phase: A, B, C, D.

Frequency: % ROM version:

Confirmation item

Address Fax No.

Contact person Model name

Address Fax No. Contact person Model name

Reception / Transmission

Our customer

Automatic reception / Manual reception Automatic dialing / Manual dialing / Others

B1 B2

AM-400DE

• Slow down the transmission speed SOFT SWITCH 10-1, 2, 3, 4. May be used in case [2] [3].

• Replace the LIU PWB. May be used in all cases.

• Replace the control PWB. May be used in all cases.

• If transmission problems still exist on the machine, use the following format and check the related matters.

Sign :

Date:From: Mr. Fax Tel No.:

Other party

Please mark problem with an X. No problem is: 0.

A1 A2 B1 B2 C1 C2 D1 D2 E1 E2

A1 A2

Our service

Comment

Countermeasure

**** Please attach the G3 data and activity report on problem. ****

C1 D2

C2 D1

E1 E2

Other

arty's service

Transmission level setting is ( ) dB at our customer

Transmission level ( ) dBm Reception level ( ) dBm By level meter at B1 and B2

2 – 30

AM-400DE

[4] Error code table

1. Communication error code table

1.1. G3 Transmission

Code Final received signal Error Condition (Receiver side)

0 Incomplete signal frame Cannot recognize bit stream after flag 1 NSF, DIS Cannot recognize DCS signal by echo etc.

Cannot recognize NSS signal (FIF code etc.) 2 CFR Disconnects line during reception (carrier missing etc.) 3 FTT Disconnects line by fall back 4 MCF Disconnects line during reception of multi page

Cannot recognize NSS, DCS signal in the case of mode change 5 PIP or PIN The line is hung up without replying to telephone request from the receiving party.

6 RTN or RTP Cannot recognize NSS, DCS signal after transmit RTN or RTP signal. 7 No signal or DCN No response in receiver side or DCN signal received* (transmitter side) 8 - Owing to error in some page the error could not be corrected although the specified number of

11 - Error occurred after or while reception by the remote (receiving) machine was revealed to be

12 - Error occurred just after fallback. 13 - Error occurred after a response to retransmission end command was received.

1.2. G3 Reception

error retransmissions were attempted.

impossible.

Code Final received signal Error Condition (Receiver side)

0 Incomplete signal frame Cannot recognize bit stream after flag 1 NSS, DCS Cannot recognize CFR or FTT signal

Disconnects line during transmission (line error) 2 NSC, DTC Cannot recognize NSS signal (FIF code etc.) 3 EOP Cannot recognize MCF, PIP, PIN, RTN, RTP signal 4 EOM Cannot recognize MCF, PIP, PIN, RTN, RTP signal in the case of mode change 5 MPS The line is hung up without replying to communication request. 6 PR1-Q Cannot recognize PIP, PIN signal in the case of TALK request 7 No signal or DCN No response in transmitter (cannot recognize DIS signal) or DCN signal received* (receiver side) 8 - Error occurred upon completion of reception of all pages. 9 - Error occurred when mode was changed or Transmission/Reception switching was performed.

10 - Error occurred during partial page or physical page reception. 11 - Error occurred after or during inquiry from the remote (transmitting) machine as to whether recep-

tion is possible or not.

12 - Error occurred during or just after fallback. 13 - Error occurred after the retransmission end command was received.

1.3. Super G3 mode 1.4. <Reference> Details of E-29 ~ E31

Error Code Transmission Errors Reception Errors

E-16 Same as E-0 Same as E-0 E-17 Same as E-1 Same as E-1 E-18 Same as E-2 Same as E-2 E-19 - Same as E-8 E-20 Same as E-4 Same as E-9 E-21 - Same as E-10 E-22 - E-23 Same as E-7 Same as E-7 E-24 Same as E-8 E-25 Same as E-11 Same as E-11 E-26 Same as E-12 Same as E-12

E-27 Same as E-13 Same as E-13

E-28 - E-29 E-30 E-31

Error occurred during handshaking for super G3 mode

E-29 Handshaking error in V.8 negotiation procedure E-30 Handshaking error in V.34 line probing procedure E-31 Handshaking error in V.34 HDX training procedure

2 – 31

AM-400DE

CHAPTER 3. MECHANICAL DESCRIPTION

Service Manual

AM-400DE

[1] Mechanical description

1. Facsimile block

1.1. Document feed block and diagram

Rear plate

Front sensor

Document

Separation rubber plate

Exit pinch roller

Document

Exit roller

Feed roller

Separate spring

Transfer roller

Transfer pinch roller

ORG sensor

CIS

Fig. 1

2. Document feed operation

1) As shown in Fig.1, the document set in the hopper (the front sensor is on) is fed with the let out roller and paper feed roller which rotate together with the pulse motor.

2) When a specified number of pulses are received from the document sensor after the document lead edge is sensed, scanning will be started.

3) When a specified number of pulses are received from the document sensor after the document rear edge is sensed, scanning will be ended to discharge the document to the tray.

4) If the front sensor is on (the document is set up in the hopper), the next document is supplied and fed nearly when the last document is completely read and discharged. If the front sensor is off (no document is set up in the hopper), the drive will be stopped when the document is discharged to the tray.

3. Hopper mechanism

3.1. General view

Fig. 2

The hopper is used to align documents with the document guides adjusted to the paper width.

NOTE: Adjust the document guides before and after inserting the doc-

ument.

3.2. Automatic document feed

1) Use of the paper feed roller and separation rubber plate ensures error-free transport and separation of documents. The plate spring presses the document to the paper feed roller to assure smooth feeding of the document.

2) Document separation system:

Separation rubber plate/speed reduction ratio/roller backlash separation system

Feed roller

Separate spring

First document

Last document

Separation rubber plate

Separation plate

Fig. 3

3.3. Loading the documents

1) Make sure that the documents are of suitable size and thickness, and free from creases, folds, curls, wet glue, wet ink, clips, staples and pins.

2) Place documents face down in the hopper.

• Adjust the document guides to the document width.

• Align the top edge of documents and gently place them into the

hopper. The first page under the stack will be taken up by the feed roller to get ready for transmission.

NOTE: 1) Curled edge of documents, if any, must be straighten out.

2) Do not load the documents of different sizes and/or thicknesses together.

3.4. Documents applicable for automatic feed

Product specifications

Indication Lower Limit Upper Limit Weight indication

Thickness indication Document size

Number of ADF sheets

Paper quality

NOTE: Double-side coated documents and documents on facsimile

Documents heavier than 80g/m duplicated on a copier to make it operative in the facsimile.

Metric system indication

Metric system indication Document size Range

Document size Weight

Kind Paper of fine quality/bond paper/

recording paper should be inserted manually.

52g/m

0.06mm 0.1mm

Minimum (148mm x 182mm) A4 (210mm x 297mm) Letter (216mm x 279mm) Legal (216mm x 356mm)

Minimum ~ Letter/A4 size 20sheets Legal 1 sheet

Kent paper

in terms of the paper weight must be

80g/m

3 – 1

AM-400DE

4. Paper path

Document input

Print exit

Paper(250 sheets)

5. Components layout

CIS

Document exit

Fusing unit

Optical unit (LSU)

Drum cartridge

Envelope

Toner cartridge

Fig. 4

Fig. 5

No. PARTS NAME No. PARTS NAME

1 Feed roller 8 Drum cartridge 2 Transfer roller 9 Optical unit (LSU) 3 Transfer pinch roller 10 Fusing unit 4 CIS 11 Document feeder tray 5 Output tray 12 Exit roller 6 PU roller assay 13 Exit pinch roller 7 Toner cartridge

3 – 2

6. Switch/Sensor layout

AM-400DE

Fig. 6

No. PARTS NAME TYPE DESCRIPTION

1 Front sensor Microcircuit When the document is set up in the hopper, the front sensor is on. 2 ORG sensor Microcircuit When the ORG sensor is on, the document is fed and scanning will be

started. 3 P-IN sensor Microcircuit When this switch is turned on, paper transport. 4 Bypass PE sensor Microcircuit When this switch is turned on, paper transport. 5 Inter lock switch Microcircuit Detects the opening or closing of the Right Cover. 6 PO2 sensor Microcircuit Detects when the paper is fed out. 7 Roller switch Microcircuit Detects when the Pickup Roller is home position. 8 Toner sensor Microcircuit Detects when the Toner Cartridge is set. 9 Home position sensor Microcircuit Detects when CIS is ADF scanning position.

10 Tray cover sensor Microcircuit Detects when the Paper Tray is set up. 11 PO1 sensor Photo transistor Detects when the paper is fed out. 12 Temperature fuse 216°C Thermal fuse When the heat roller temperature rises abnormally, this fuse cuts off the

power relay power line (+24 V line).

13 Temperature fuse 152°C Thermal fuse When the heat roller temperature rises abnormally, this fuse cuts off the

heater lamp power line.

14 Thermistor Thermistor Detects the temperature on the heat roller.

3 – 3

AM-400DE

7. Scanner drive block and diagram

7.1. Overall layout

Drive switching unit

7.2. Gear layout

System gear

Gear

Lever

Sheet scan drive side gear train

Planet gear A

Scanner unit

Hold lever

Hold rib

Home position sensor

Motor gear (drive source)

Scan unit drive side gear train

Planet gear B

System gear biasing spring

System gear

Drive belt

Scan unit locking lever

3 – 4

7.3. Fixed scan mode

AM-400DE

Scan unit drive side gear train

Planet gear B

7.4. Sheet scan mode

Sheet scan drive side gear train

Planet gear A

System gear biasing spring

Motor gear

(drive source)

Counterclockwise rotation: The scanner unit moves toward the sheet scan position.

(Clockwise rotation: The scanner unit moves toward the fixed scan position.)

System gear

Scan unit locking lever

Sheet scan drive side gear train

Planet gear A

Scan unit drive side gear train

Planet gear B

Locking rib

System gear biasing spring

(Scanner unit)

Motor gear (drive source)

Counterclockwise rotation: Sheets are fed to the sheet scan section.

System gear

Scan unit locking lever

3 – 5

AM-400DE

7.5. Switching operation (1) from the sheet scan mode to the fixed scan mode

Sheet scan drive side gear train

Planet gear A

Scan unit drive side gear train

Planet gear B

Locking rib

System gear biasing spring

The planet gear A moves toward the scan unit drive side gear and stops at the intermediate position because the pin A on the planet gear A mounting arm is restricted its movement by the cam groove A. The planet gear B moves into engagement with the system gear so that the system gear rotates. Along with the rotation of the system gear, the scan unit locking lever starts rotating in the release direction.

(Scanner unit)

Motor gear

(drive source)

Clockwise rotation: switching operation

System gear

Scan unit locking lever

7.6. Switching operation (2) from the sheet scan mode to the fixed scan mode

Sheet scan drive side gear train

Planet gear A

Scan unit drive side gear train

Planet gear B

Locking rib

System gear biasing spring

Rotation of the system gear releases the pin A on the planet gear A mounting arm from the cam groove A, and the planetary gear A is engaged with the scan unit drive side gear. The scan unit starts moving toward the fixed scan side.

(Scanner unit)

Motor gear

(drive source)

Clockwise rotation: switching operation

System gear

Scan unit locking lever

3 – 6

7.7. Switching operation (3) from the sheet scan mode to the fixed scan mode

AM-400DE

Sheet scan drive side gear train

Planet gear A

Scan unit drive side gear train

Planet gear B

Locking rib

Due to the system gear rotation, the pin B is guided in the cam groove B to turn the planet gear B mounting arm. The planet gear B is disengaged from the system gear, and the system gear loses its power.

(Scanner unit)

System gear biasing spring

Motor gear

(drive source)

Clockwise rotation: switching operation

System gear

Scan unit locking lever

7.8. Switching operation (4) from the sheet scan mode to the fixed scan mode

Sheet scan drive side gear train

Planet gear A

Scan unit drive side gear train

Planet gear B

System gear biasing spring

Motor gear

(drive source)

Counterclockwise rotation: The scanner unit moves toward the sheet scan position.

(Clockwise rotation: The scanner unit moves toward the fixed scan position.)

Scan unit locking lever

System gear

The system gear is driven by the system gear biasing spring until it reaches the stopper at the release position of the scan unit locking lever.

3 – 7

AM-400DE

7.9. Switching operation (1) from the fixed scan mode to the sheet scan mode

Sheet scan drive side gear train

Planet gear A

Scan unit drive side gear train

Planet gear B

System gear biasing spring

When the scan unit's lever that comes back to the sheet scan position pushes the system gear pin, the system gear starts rotating in clockwise direction.

Motor gear (drive source)

Counterclockwise rotation: The scanner unit moves toward the sheet scan position.

System gear

Scanner unit

Lever

Scan unit locking lever

7.10. Switching operation (2) from the fixed scan mode to the sheet scan mode

Sheet scan drive side gear train

Planet gear A

Scan unit drive side gear train

Planet gear B

Pin A

Cam groove A

System gear biasing spring

Due to the system gear rotation, the pin B on the planet gear mounting arm is guided in the cam groove B, and the planet gear B is engaged with the system gear. Along with the system gear rotation, the scan unit locking lever moves toward the lock position.

Motor gear (drive source)

Counterclockwise rotation: The scan unit moves toward the sheet scan position.

Cam groove B

Pin B

System gear

Scan unit locking lever

Scanner unit

Lever

3 – 8

7.11. Switching operation (3) from the fixed scan mode to the sheet scan mode

AM-400DE

Sheet scan drive side gear train

Planet gear A

Scan unit drive side gear train

Planet gear B

Pin A

Cam groove A

Scan unit

Lever

System gear biasing spring

Rotation of the system gear releases the pin A on the planet gear A mounting arm from the cam groove A. The planet gear A moves to the intermediate position between the scan unit drive side gear and the sheet scan drive side gear. At this time, the belt stops moving, and the scan unit stops accordingly just before the sheet scan position.

Motor gear (drive source)

Counterclockwise rotation: switching operation

System gear

Scan unit locking lever

7.12. Switching operation (4) from the fixed scan mode to the sheet scan mode

Sheet scan drive side gear train

Planet gear A

Scan unit drive side gear train

Planet gear B

Locking rib

System gear biasing spring

Rotation of the system gear releases the pin B on the planet gear B mounting arm from the cam groove B, and the planet gear B is disengaged from the system gear. After the disengagement, the system gear is kept rotating in clockwise direction by the system gear biasing spring. The scan unit locking lever is moved by the system gear, and it stops after pushing the scan unit to the locking rib. Keep rotating the motor in the counterclockwise direction for the sheet feeding operation.

(Scanner unit)

Motor gear

(drive source)

Counterclockwise rotation: Sheets are fed to the sheet scan section.

System gear

Scan unit locking lever

3 – 9

AM-400DE

8. Print process

8.1. Image forming process

Normal paper is used as print paper. A laser beam is used to expose on the OPC surface to form latent electrostatic images, which are developed into visible images (toner images) and are transferred on paper. The basic operation is composed of the five processes: charging, exposure, development, transfer, and cleaning.

8.2. System diagram (1)

High Voltage Power Supply Unit

Paper

Main charger brush

Separation electrode

Transfer charge roller

Paper

8.3. System diagram (2)

CONTROL PWB

TCON

MCON

16bit CPU IC21

Heat roller

Heater lamp

Pressure roller

Laser beam

Developing roller

Photoconductor drum (OPC)

Constant voltage control circuit

Short protection circuit

Constant voltage control circuit

Laser Scanning Unit

Supply roller

Toner

High Voltage PWB Unit

Oscillation circuit

Feedback circuit

Oscillation circuit

Fig. 7

B1 Transformer

B51 Transformer

FU-EARTH

Development Roller Voltage

Supply Roller Voltage

Transfer Charger Roller Voltage

Main Charger brush Voltage

HV(+) Rectifier circuit

HV(-) Rectifier circuit

100V

100MOHM

4.7MOH M 4 .7MOHM

Cleaning

cleaning

250MΩ

110MΩ

Constant voltage(-) circuit

Short circuit

DC: -220V

DC: -280V

DC: +400V

DC: +3600V (D6 Cathode)

DC: -500V

DC: -950V AC: -570V <--> -1330V

LASER MFP

Transfer Roller

OPC DRUM

Separation electrode

Supply Roller

Developing Roller

Doctor

Charger Roller

Logic circuit

PWMSIN

PWM control circuit

Feedback circuit

Fig. 8

3 – 10

Constant voltage(+) circuit

FU-EARTH

Heat Roller

Pressure Roller

8.4. Image forming process diagram

AM-400DE

Paper exit

High voltage circuit

Main charger brush

Fusing

Heat roller Pressure roller

Cleaning, Charge

Separation electrode

Separation

Scanning mirror

Mirror

Exposure

Transfer

Transfer roller

Lens Laser diode

Development cleaning

Paper feed roller Paper tray Paper

Toner

Developing roller

High voltage circuit

Heater lamp

High voltage circuit

Fig. 9

3 – 11

AM-400DE

8.5. Functions and operations of major parts

Fig. 10

Paper

Optical unit(LSU)

Toner

1 Developing roller 6 Separation electrode 2 Doctor 7 OPC drum 3 Toner stirring plate 8 Discharge plate 4 Toner supply roller 9 Main charger brush 5 Transfer roller

8.5.1 OPC drum unit

The OPC drum is charged and latent electrostatic images are formed on it and developed into visible toner images.

a. OPC drum

Latent electrostatic images are formed and developed into toner images on the OPC drum.

Organic Photo Conductor is used. The OPC surface is charged negatively by the main charger brush.

When the OPC is exposed to laser beam, the electric resistance of the exposed section falls and electric charge is generated in the OPC. As a result, electric charge on the OPC surface is removed. This principle is used to form latent electrostatic images.

8.5.2 Developing unit

Latent electrostatic images formed by laser beam on the OPC drum are developed to visible images by the developing unit. Toner is filled in the developing unit.

a. Developing roller

The developing roller is made of urethane and has a high electric resistance. It is flexible and is in close contact with the OPC drum. Toner on the developing roller is attached to latent electrostatic images on the OPC drum to form visible images on the OPC drum.

A voltage of DC-220V is applied the developing roller.

b. Doctor

The doctor is in close contact with the developing roller. It adjusts toner quantity on the developer roller surface.

The doctor is made of conductive material.

c. Toner supply roller

Toner is supplied to the developing roller by the sponge roller which is connected to the developing roller.

d. Toner stirring plate

This plate stirs toner in the developing unit to transport it to the developing roller smoothly.

8.5.3 Transfer charger roller

The transfer charger roller is made of urethane and has a high electric resistance. It is flexible and is in close contact with the OPC drum.

A high voltage of AC 760V (P-P) and DC +3600V are applied to charge.

It positively charges paper transported from the paper feed section, which transfers negatively charged toner on the OPC drum onto the paper.

8.5.4 Separation electrode

This electrode is connected to the drum ground. It discharges paper which was positively charged in the transfer section to reduce the potential difference with the OPC drum to reduce static electricity between the paper and the OPC drum, thus facilitating separation of paper.

OPC layer

CTL (Charge transfer layer)

CGL (Charge generation layer)

Aluminum layer

Fig. 11

b. Main charger brush

The main charger brush charges the OPC drum surface. It is composed of brush fiber, and is in the shape of a roller. A high voltage of AC 760V (P-P) and DC-950V are applied to charge the brush.

The main charger brush is in contact with the OPC drum. BY applying electric charge to the OPC drum, the OPC drum is charged to about DC-900V.

3 – 12

8.6. Image forming operation

STEP 1 (Cleaning, Charging):

The main charger is a rotating brush roller.

The main charger removes residual toner from the OPC drum by its rotating sweeping action and causes it to stick to the brush.

At the same time, a high voltage of -950V is applied to the main charger roller to generate a discharge of electricity between the roller and the OPC drum, generating positive and negative charges. The negative charges are attracted to the OPC drum, and evenly distributed on the OPC drum. (The OPC drum surface is evenly charged.)

Residual toner the OPC drum is stirred and negative charges are scattered evenly on the OPC drum. (The OPC drum surface is evenly charged.)

AM-400DE

STEP 2 (Exposure): Laser beam scanning light corresponding to

the print data is radiated on the OPC drum.

Positive and negative charges are generated in the OPC drum CGL exposed with the laser beam.

Positive charges generated in the CGL are attracted toward the OPC drum surface (negative charges), and negative charges toward the aluminum layer (positive charges).

Therefore, the positive and negative charges neutralize each other in the laser-exposed area of the OPC drum surface and the aluminum layer, decreasing the potential of the OPC drum surface.

The area which is not exposed to laser beam has no change, and the OPC drum surface remains negatively charged to keep a high potential. As a result, latent electrostatic images are formed on the OPC drum.

AC760V (P-P)

DC-950V

CTL

Residual toner

OPC drum

Aluminum layer (drum base)

CGL

Fig. 12

Main charger brush

Exposed area

CTL

CGL Aluminum layer (Drum base)

CTL

CGL

Aluminum layer (Drum base)

Laser beam

Non-exposed area

Fig. 13

3 – 13

AM-400DE

STEP 3 (Development): Toner is attached to the latent electro-

static images on the OPC drum to form visible images.

: Toner (Negatively charged)

Aluminum layer (Drum base)

CTL

CGL

On the other hand, when an area of OPC drum which was not exposed to the laser beam and did not lose its charge comes in contact with the developing roller, any residual toner attached to the OPC drum is transferred to the developing roller which is more positively charged.

As a result, unnecessary toner on the OPC drum is collected by the developing unit.

The operating principle for that case is contrary to that for transfer of toner from the developing roller to the OPC drum surface. (The electric field energy direction is contrary.)

STEP 4 (Transfer):

Visible images of toner on the OPC drum are transferred to the paper.

Doctor

Toner supply roller

-280V

DC-180V

Developing roller

Exposed area (exposed to laser beam)

Non-exposed area (Not exposed to laser beam)

OPC drum

Fig. 14

Toner is transported to the scraper area by the toner supply roller and the developing roller. The quantity of toner to be transported to the doctor section is controlled by the scraper. Toner transported to the doctor section is then passed between the developing roller and the doctor to form a thin toner layer on the developing roller by the pressure applied by the doctor.

When toner passes between the developing roller and the doctor, it is charged negatively by friction.

When an area of OPC drum which was exposed to laser beam and lost its charge comes in contact with the developing roller, toner moves from the developing roller to the OPC drum surface.

The principle of toner movement from the developing roller to the OPC drum surface is as follows.

The bias voltage of DC-280V is applied to the developing roller. Toner is charged negatively by the difference (electrical energy) between the bias voltage and the OPC drum surface potential and is attracted to the OPC drum surface which is positively charged.

At that time, the potential of the area of the OPC drum which was exposed to the laser beam and lost its charge is higher than that of the developing roller.

CTL CGL

Paper

Aluminum layer (Drum base)

OPC drum

Transfer roller

DC+3600V AC760V(P-P)

Fig. 15

The high voltage of DC+3600V plus AC760V (P-P) is applied to the transfer roller to generate electric discharge between the roller and the OPC drum, generating positive and negative charges. Positive charges are attracted to the OPC drum and attached to the paper transported between the transfer roller and the OPC drum. Therefore the paper has a strong positive charge.

Negatively charged toner on the OPC drum is attracted by the paper which is positively charged, and the visible images of toner are transferred onto the paper.

3 – 14

AM-400DE

STEP 5 (Paper separation): The paper is separated from the

OPC drum.

Paper

STEP 6 (Discharge):

The drum surface is discharged to facilitate cleaning of the drum surface. (The remaining toner is easily collected by the main charger roller.)

Main charger roller (brush)

Separation electrode

OPC drum

Aluminum layer (Drum base)

CGL

CTL

Transfer roller

Fig. 16

There is an electrostatic force between the paper which is positively charged in transfer operation and the OPC drum which is negatively charged. The positive charge on the paper is released to the separation electrode, which is the same potential as the aluminum layer of the OPC drum, to reduce the potential difference between the OPC drum and the paper, reducing the electrostatic force.

This operation facilitates separation of the paper from the OPC drum.

AC760V (P-P)

DC-950V

Residual toner

OPC drum

Aluminum layer (Drum base)

CGL

CTL

Fig. 17

STEP 7 (Clean-

Residual toner on the OPC drum is removed.

ing):

The main charger is a rotating brush roller.

The main charger removes residual toner from the OPC drum by its rotating sweeping action and causes it to stick to the brush. The main charger brush is in close contact with the mesh-type brush cleaning plate which removes toner and paper dust from the main charger brush mechanically.

3 – 15

AM-400DE

-180V

OPC drum surface potential (-V)

Light area potential

Time (OPC drum rotation angle)

Start

During developing

Stop

Dark area potential

Developing bias

8.7. OPC drum surface potential

8.7.1 Transition of OPC drum surface potential by print operation

Laser

Dark area

beam

-950V

potential

8.7.2 OPC drum surface potential and developing bias voltage in development

-250V

OPC surface potential (-V)

Charging/ cleaning

Toner attachment potential

Light area potential

Exposure Residual

toner collection /Developing

Timer(OPC drum rotating angle)

Transfer Charging

Fig. 18

Developing bias

Fig. 19

3 – 16

9. Timing chart

9.1. Print process

AM-400DE

PRINT PROCESS

Signal Name

MCON Signal

PWMSIN Signal

TCON Signal

High Voltage

Power Supply Unit

MC Output

TC Output

SV Output

Soft Control

PMD (Polygon motor)

MM (Main motor)

MC (Main charger)

(Superposing) (Duty)

TC (Transfer Charger)

SV (Supply Roller Voltage)

Laser Lighting (discharge)

MC (Main charger)

GND

Voltage MC

TC (Transfer Charger) Voltage TC(+)

GND

Voltage TC(-)

SV (Supply Roller Voltage) Voltage SV(+)

GND

Voltage SV(-)

DC(-950V)+AC(760Vp-p)

DC(+3600V)+AC(760Vp-p)

DC(-500V)

DC(+400V)

DC(-280V)

Pre-Printing period

max 5.0sec

DC AC DC

2sec

Lighting

CLEANING PRINTING

Printing period

One or more page printing

Printing

After Printing period

3.0sec

5sec

Lighting

CLEANING

9.2. Cleaning process

CLEANING PROCESS

MCON Signal

PWMSIN Signal

TCON Signal

Power Supply Unit

MC Output

TC Output

SV Output

Soft Control

PMD (Polygon motor)

MM (Main motor)

MC (Main charger)

(Superposing) (Duty)

TC (Transfer Charger)

SV (Supply Roller Voltage)

Laser Lighting (discharge)

High Voltage

MC (Main charger)

Voltage MC

TC (Transfer Charger) Voltage TC(+)

Voltage TC(-)

SV (Supply Roller Voltage) Voltage SV(+)

Voltage SV(-)

GND

DC(-850V)

DC(-500V)

DC(+400V)

max 5.0sec

3.0sec

7sec

Lighting

3 – 17

CLEANING

AM-400DE

[2] Disassembly and assembly procedures

• This chapter mainly describes the disassembly procedures. For the assembly procedures, reverse the disassembly procedures.

• Easy and simple disassembly/assembly procedures of some parts and units are omitted. For disassembly and assembly of such parts and units, refer to the Parts List.

• The numbers in the illustration, the parts list and the flowchart in a same section are common to each other.

• To assure reliability of the product, the disassembly and the assembly procedures should be performed carefully and deliberately.

Rear cover

Parts list (Fig. 1)

No. Part name Qty

1 Mechanism unit 1

2 Screw (3x10) 5

3 Hook 4

4 Rear cover 1

Mechanism unit

Rear cover

Fig.1

3 – 18

AM-400DE

High voltage

PWB unit and PWB plate

PWB unit

Power supply

PWB unit

Parts list (Fig. 2)

No. Part name Qty No. Part name Qty

1 Mechanism unit

2 Connector 23

3 Screw (3x8) 3

4 Screw (3x10) 1

5 Control PWB unit 1

6 Screw (3x10) 1

7 Screw (3x8) 1

8 LIU PWB unit 1

9 Connector 4

10 Screw (3x8) 2

11 Power supply PWB unit 1

12 Screw (3x8) 4

13 Earth cable 1

14 High voltage PWB unit 1

15 Screw (3x10) 4

16 Screw 1

17 AC cord earth cable 1

18 Screw (3x8) 1

19 Earth cable 1

20 Screw (3x6) 1

21 Earth cable 1

22 PWB plate 1

PWB plate

Control

PWB unit

Mechanism unit

LIU PWB unit

Fig.2

3 – 19

AM-400DE

Flatbed unit

Parts list (Fig. 3)

No. Part name Qty

1 Mechanism unit

2 Screw (4x12) 5

3 Flatbed unit 1

1. Right cover open

2. Front cover open

Mechanism unit

Fig.3

3 – 20

AM-400DE

Flatbed cover/Scanner unit/ Flatbed upper/ Drive unit/Flatbed lower

NOTE: For disassembly of the inside of the unit,

refer to the exploded view in the parts guide.

Scanner unit

Screwdriver

Stopper

plate

Parts list (Fig. 4)

No. Part name Qty No. Part name Qty

1 Flatbed cover 1

2 Scanner unit 1

3 Screw (3x12) 1

4 Screw (3x10) 4

5 Hook 6

6 Flatbed upper 1

Flatbed cover

7 Hook 1

8 Screw (3x6) 1

9 Earth spring 1

10 Earth spring 1 1

11 Screw (3x10) 1

12 Drive unit 1

13 Flatbed lower 1

Caution

Flatbed

lower

Drive

unit

Drive unit

Flatbed upper

Drive unit

IMPORTANT!

Hold lever

Flatbed lower

Pin exist upper End

Push

Mark point the drive unit

Mark point hold lever

Position assembly mark point same line.

Drive unit

Push

Must push this point when ass'y Drive unit.

Drive Unit

Flatbed lower

Hook

Fig.4

3 – 21

Hold lever touch the bottom of Flatbed lower.

Hold lever

When mounting the drive unit, the hold lever and the teeth of the system gear must be aligned.

AM-400DE

Right cover/Front cover/Paper exit unit/ Optical unit(LSU)/Fusing unit/

NOTE: For disassembly of the inside of the unit,

refer to the exploded view in the parts guide.

Paper exit

unit

Parts list (Fig. 5)

No. Part name Qty No. Part name Qty

1 Mechanism unit 1

2 Right cover pivot 1

3 Right cover 1

4 Screw (3x10) 1

5 Front cover 1

6 Screw (3x14) 4

7 Paper exit unit 1

8 Screw (3x10) 4

9 Screw (3x8) 1

10 Earth cable 1

11 Connector 2

12 Optical unit (LSU) 1

13 Screw 2

14 Fusing unit 1

Optical unit (LSU) Since the parts of this Optical unit (LSU) cannot be supplied, change it as a unit.

Front cover

Mechanism unit

Right cover

Fusing unit

Fig.5

3 – 22

AM-400DE

Wire treatment

LSU Earth cable

Parts list (Fig. 6)

No. Part name Qty

1 Band (100mm) 6

2 Screw 1

3 Wire holder 1

4 Core (F2154) 1

5 Screw (3x8) 1

6 Core (F2146) 1

7 Core (F2147) 1

The LSU earth cable pass to the core 1 time.

6 The CNLSR cable pass to the core 2 times.

CNLSR

CNPN

The AC cord earth cable pass to the core 2 times.

High voltage PWB unit

AC cord

CNBYPE

CNHT

CNSCM

CNCIS

CNPOUT1

CNPOUT2

CNTCT

CNMM

CNRTH

CNPM

CNHV

CNPUM CNFM

CNROLSNS CNTCVR

CN6

CNLIUCNPW

CNPINCN2

Power supply PWB unit LIU PWB unit

CNFRT

CNORG CNHPS CNSP

Control PWB

Fig.6

3 – 23

AM-400DE

CHAPTER 4. DIADRAMS

[1] Block diagram

Host PC

Service Manual

PO1 Sensor

PO2 Sensor

Heater

Interlock

Switch

[ENGINE]

: 12 ppm, 600 x 600dpi

[Flatbed & ADF Scanner Unit]

Color CIS : 600dpi, 208mm

Image Sensor Unit

AFE

&GPIO

Stepper Motor/

ORG Sensor/Front Sensor

Drive Mechanism

GPIO

Main Controller

USB 2.0 USB port

OA-2000 (OASIS)

: 32bit ARC CPU-core Client

: Internal 96MHz

PIXEL

GPIO OUT USART

Clocked Synchronous

Serial Communication

GPIO

16bit CPU/20MHz

Printer Controller

Timer-Out GPIO GPI Timer-Out ADC GPO GPI

Thermistor

HIGH VOLTAGE

Sensor

Tray Cover

Motor

Stepper

Main Motor

PWB UNIT

Bypass PE

Fusing Unit

Sensor

Motor

Stepper

Pickup Motor

(LSU)

Optical Unit

P-IN Sensor

Roller

Switch

Toner C/T

Sensor

Paper Pick-up Mechanism

CONTROL PWB UNIT

Program Memory Work Memory

NOR Flash SDRAM

: 2MB : 16MB

Memory-Bus

Peripheral-Bus

FM336Plus

I/F Logic Circuit V.34 Fax Modem

4 – 1

LIU PWB UNIT

PWB UNIT

Entering Key

OPERATION PANEL

Tact SW (31)

LED

LCD Module

Redx 1

: 16 x 1line

[2] Wiring diagram

AM-400DE

LCD(16x1)

UNIT

CNPN1

PANEL PWB

OPERATION

MOTOR

SCANNER

CIS

PO1

SENSOR

PO2

SENSOR

FRONT SENSOR

(JST)

CNFRT

CNPN(FFC)

CNSCM

(JST)

CNCIS

(FFC)

CNPOUT1

(JST)

CNPOUT2

(JST)

ORG SENSOR

(JST)

CNORG

SENSOR

HOME POSITION

(JWT)

CNHPS

SPEAKER

(JWT)

CNSP

CONTROL PWB UNIT

CNUSB

CNLIU

(Board-In)

CNPW

TEL LINE

LINE

CNLIU

LIU PWB UNIT

FUSE-2

THERMAL

AM-400DE/F/IT/SE

CN6

CNLN

CNPW

PWB UNIT

POWER SUPPLY

AM-400H

(LSU)

OPTICAL UNIT

THERMISTOR

LSU-L

LSU-P

CNRTH

(JST)

CNLSR

(JST)

CNPM

(JWT)

HIGH VOLTAGE

CNHV

CN1

PWB UNIT

CNMM(JST)

CNPUM(JWT)

MAIN MOTOR

PICKUP MOTOR

CNFM(JWT)

FAN

CNTCT(JWT)

CNBYPE(JST)

TONER C/T SENSOR

BYPASS PE SENSOR

CNPIN(JST)

CNROLSNS(JWT)

P-IN SENSOR

ROLLER SWITCH

CNTCVR(JST)

TORAY COVER SW

CN2

INTERLOCK

CNHT

FUSING UNIT

4 – 2

AM-400DE

[3] Point-to-point diagram

CIS

FRONT

SENSOR

ORG

SENSOR

SCANNER

HOME POSITION

SENSOR

SCANNER

MOTOR

SPEAKER

PRINTER

MAIN MOTOR

PRINTER

PICKUP MOTOR

FAN

THERMISTOR

PRINTER

P-IN SENSOR

PRINTER

BYPASS PE

SENSOR

PRINTER

PAPER OUT 1

SENSOR

PRINTER

PAPER OUT 2

SENSOR

PRINTER

TRAY COVER

SENSOR

PRINTER ROLLER SWITCH

TONER

CARTRIDGE

SENSOR

CNCIS

Ao GND GND VDD

VREF

SP CLK

V-LED B-GND G-GND R-GND

N.C.

/FRSNS

GND

/ORGSNS

GND12

/HOME

GND

B /A /B

SP+ SP-

MA+ MB+ MAMB-

/PUMBD /PUMAD

PUMBD PUMAD

VMT VMT

VFM+

N.C. 2

VFM- 3

+5V 1

RTH 2

/PIN 1 GND 2

PE_BY 1

GND 2

/POUT1 1

GND 2

POUT1_AN 3

/POUT2

GND 2

OPEN_TRAY

GND 2

/ROLSNS 1

GND 2

TCT2 1 COM 2 TCT1 3 TCT0 4

CNCIS

1 2 3 4 5 6 7 8

9 10 11 12

GND(VDD)

GND

VDD(SEL)

4 5

VREF(GND)

CLK

VLED

BLED_GND

GLED_GND

RLED_GND

N.C.

CNFRT

1 /FRSNS 2GND

CNORG

/ORGSNS

1 2GND

CNHPS

1/HOME

GND

CNSCM

1A 2B 3/A 4/B

CNSP

1 SP+ 2 SP-

CNMM

1MA+ 2MB+ 3MA4MB-

CNPUM

1 /PUMBD 2 /PUMAD 3 PUMBD 4

PUMAD 5 VMT 6 VMT

CNFM

1 VFM+ 2 N.C. 3 VFM-

CNRTH

1+5V 2RTH

CNPIN

1 /PIN 2GND

CNBYPE

1 PE_BY 2GND

CNPOUT1

1 /POUT1 2GND 3 POUT1_AN

CNPOUT2

1 /POUT2 2GND

CNTCVR

OPEN_TRAY

2GND

CNROLSNS

1 /ROLSNS 2

GND

CNTCT

1TCT2 2COM 3

TCT1

4TCT0

E-RLY

+24V MAIN 5 +24V MAIN 6

CONTROL PWB UNIT

CNPN

E1 VLED 2 +3.3V 3

DG 4

/STRB7 5

/SEN0 6

/STRB6 7

/SEN1 8

/STRB5 9

/SEN2 10

/STRB4 11

/SEN3 12 /STRB3 13 /STRB0 14 /STRB2 15 /STRB1 16

CNPN1

16 E 15 LEDON 14 +3.3V 13 DG 12 /STRB7 11 /SEN0 10 /STRB6

9 /SEN1 8 /STRB5 7 /SEN2 6 /STRB4 5 /SEN3 4 /STRB3 3 /STRB0 2 /STRB2 1 /STRB1

OPERATION PANEL

CNLIU

RXIN 1

TXOUT 2

/CI 3

/EXHS 4

DPON

CML 6

+5V 7

DG 8

+24VA 9

(N.C.)

DPMUTE

(N.C.)

10 11 12

CNLIU

RXIN

TXOUT

/CI

/EXHS

DPON

CML

+5V

+24VA

E-RLY

10 11

DPMUTE

(N.C.)

LIU PWB UNIT

CNUSB

CNPW

MG 1

+24V_SUB 2

MG 3 MG 4

DG 7

+5V 8

DG 9

+3.3V 10

DG 11

/HLON 12

/PWRLY 13

/ZC 14

CNPW

1MG 2 +24V_SUB 3

MG 4MG 5 +24V MAIN

+24V MAIN

6 7DG 8 +5VMAIN

10 +3.3VMAIN 11 DG

/HEATER ON

/PWRLY

13 14 /ZC

POWER SUPPLY UNIT

CNHV

PGND 1 1 PGND

PWMSIN 2 2 PWMSIN

MCON 3 TCON 4

+24V 5

CNLSR

DGND 1

-S/H 2

-VIDEO 3

-LDEN 4 DGND 5

+5V 6

DGND 7

-HSYNC 8

CNPM

CLK 1

-READY 2

-START 3 GND 4

+24V 5

CN1

3MCON 4 TCON 5+24V

CNLSR

1DGND 2 -S/H 3 -VIDEO 4-LDEN 5DGND 6+5V 7DGND 8 -HSYNC

CNPM

1CLK 2 -READY 3 -START 4GND 5+24V

+3.3V

R/W

E N.C. N.C. N.C. N.C. LD0 LD1 LD2 LD3

PWB UNIT

(N.C.)

HIGH

VOLTAGE

PWB UNIT

OPTICAL

UNIT

(LSU)

CNLCD1

1 2 3 4 5 6 7 8

9 10 11 12 13 14

CN2

1111

CN6

+24VMAIN 2 N.C. 3+24VS

CNHT 1N 2 N.C. 3L

1DG 2 +3.3V 3VO 4

RS 5R/W 6E 7N.C. 8N.C. 9N.C.

10 N.C. 11 LD0 12 LD1 13 LD2 14 LD3

+24VMAIN 2N.C. 3+24VS

1N 2N.C. 3L

LCD UNIT

INTERLOCK

SWITCH

THERMAL

FUSE-2

FUSING

UNIT

4 – 3

AM-400DE

CHAPTER 5. CIRCUIT DESCRIPTION

AM-400DE

Service Manual

[1] Circuit description

1. General description

The compact design of the control PWB is obtained by using MFP ASIC OA-2000 in the main control section and high density printing of surface mounting parts. Each PWB is independent according to its function as shown in Fig. 1.

2. PWB configuration

FAN

OPERATION PANEL PWB

HEATER

LAMP

LINE CABLE

AC CORD

POWER

SUPPLY

PWB

LIU

PWB

2.1. Control PWB

The control PWB controls peripheral PWBs, mechanical parts, transmission, and performs overall control of the unit.

2.2. LIU PWB

This PWB controls connection of the telephone line to the unit.

2.3. Power supply PWB

This PWB provides voltages of +3.3V, +5V and +24V to the another PWB.

2.4. Panel PWB

The panel PWB allows input of the operation keys.

2.5. High voltage PWB

This PWB provides the high voltage to printer process units.

2.6. LCD PWB

This PWB controls the LCD display.

CONTROL

PWB

CIS

Fig. 1

HIGH VOLTAGE PWB

SCANNER

MOTOR

LCD

OPTICAL UNIT (LSU)

ROLLER SENSOR

MAIN MOTOR

TONER C/T SENSOR

FUSING UNIT

THERMISTOR

SPEAKER

PICKUP MOTOR

[2] Circuit description of control PWB

1. General description

The control PWB is composed of the following blocks..

1.1. Main control block

1) Controller block

2) Memory block

3) Modem block

4) Scanner I/F block

5) Panel I/F block

1.2. Printer control block

1.3. Power section

2. Description of each block

2.1. Main control block

Main control block consisting of CPU OA-2000 with 32bit microprocessor core, SDRAM (128Mbit), FLASH (16Mbit), FAX MODEM, etc., controls scanning, images processing, FAX communication, user interface, USB interface etc., that is all except for printer controlling.

2.1.1 Controller block

1) OA-2000 (IC1): pin-208 QFP (Main CPU)

This is a microcomputer with 32bit microprocessor (ARC) core, which periphery functions are integrated into.

This device is equipped with the following function. The clock inputs 24MHz from outside and operates at 4-times frequency (96MHz) internally.

Feature

• SDRAM Controller

Addressing, Control and Refresh to SDRAM (IC4)

• USB 2.0 Client I/F (High Speed & Full Speed)

Connection for PC

• General Purpose I/O port

Controlling Panel, LIU, Motor driver, etc.

Inputting of each sensor and status signals

• Contact Image Sensor I/F and Analog Front End

Processing of SCAN video signal and its A/D conversion.

• Hardware Image Processing Accelerators

• JBIG & JPEG Hardware Image Compression and Decompression

• Serial communication I/F

Communicating with Printer CPU (IC21)

• Peripheral Bus I/F

FAX MODEM (IC18) and KEY & STATUS signal buffer (IC10) is connected via Peripheral Bus.

• Pulse Width Modulators

This generates key input sound, alarm sound and ringer sound.

• Real Time Clock Generator

It is oscillated with quartz oscillator of 32.768kHz and the clock is provided.

5 – 1

AM-400DE

OA-2000 (IC1) Terminal description (1/4)

No. Pin name I/O Pin Description

1 GP_L6 Bidirectional General Purpose IO 2 GP_L7 Bidirectional General Purpose IO 3 GP_M0 Bidirectional General Purpose IO 4 GP_M1 Bidirectional General Purpose IO 5 GP_M2 Bidirectional General Purpose IO 6 GP_M3 Bidirectional General Purpose IO 7 GP_M4 Bidirectional General Purpose IO 8 GP_M5/UA1_RX_DATA Bidirectional General Purpose IO/Serial Communication Interface(Receiving data) 9 GP_M6/UA1_SCLK Bidirectional General Purpose IO/Serial Communication Interface(Serial clock)

10 VSS GND digital Ground

11 CORE_VDD18 +1.8V digital Power 12 GP_M7/UA1_TX_DATA Bidirectional General Purpose IO/Serial Communication Interface(Sending data) 13 GP_N0/PB_CS0 Bidirectional General Purpose IO/Peripheral Bus Chip Select 0 14 GP_N1 Bidirectional General Purpose IO 15 IO_VDD33 +3.3V digital Power 16 GP_N2 Bidirectional General Purpose IO 17 GP_N3/PB_CS3 Bidirectional General Purpose IO/Peripheral Bus Chip Select 3 18 GP_N4/PB_NOE Bidirectional General Purpose IO/Peripheral Bus Output Enable 19 GP_N5/PB_NWE Bidirectional General Purpose IO/Peripheral Bus Write Enable 20 GP_O0/PB_ADDR0 Bidirectional General Purpose IO/Peripheral Bus Address 21 GP_O1/PB_ADDR1 Bidirectional General Purpose IO/Peripheral Bus Address 22 VSS GND digital Ground 23 GP_O2/PB_ADDR2 Bidirectional General Purpose IO/Peripheral Bus Address 24 GP_O3/PB_ADDR3 Bidirectional General Purpose IO/Peripheral Bus Address 25 GP_O4/PB_ADDR4 Bidirectional General Purpose IO/Peripheral Bus Address 26 GP_O5 Bidirectional General Purpose IO 27 GP_O6 Bidirectional General Purpose IO 28 GP_O7 Bidirectional General Purpose IO 29 GP_P0/PB_DATA0 Bidirectional General Purpose IO/Peripheral Bus Data 30 GP_P1/PB_DATA1 Bidirectional General Purpose IO/Peripheral Bus Data 31 IO_VDD33 +3.3V digital Power 32 GP_P2/PB_DATA2 Bidirectional General Purpose IO/Peripheral Bus Data 33 GP_P3/PB_DATA3 Bidirectional General Purpose IO/Peripheral Bus Data 34 GP_P4/PB_DATA4 Bidirectional General Purpose IO/Peripheral Bus Data 35 GP_P5/PB_DATA5 Bidirectional General Purpose IO/Peripheral Bus Data 36 GP_P6/PB_DATA6 Bidirectional General Purpose IO/Peripheral Bus Data 37 GP_P7/PB_DATA7 Bidirectional General Purpose IO/Peripheral Bus Data 38 VSS GND digital Ground 39 CORE_VDD18 +1.8V digital Power 40 IO_VDD33 +3.3V digital Power 41 ADC_AVSS GND analog Ground 42 ADC_VIN0 Input analog A/D Converter Input 0 43 ADC_VIN1 Input analog A/D Converter Input 1 44 ADC_VIN2 Input analog A/D Converter Input 2 45 ADC_VIN3 Input analog A/D Converter Input 3 46 ADC_AVDD33 +3.3V analog Power 47 ADC_VIN4 Input analog A/D Converter Input 4 48 ADC_VIN5 Input analog A/D Converter Input 5 49 ADC_VIN6 Input analog A/D Converter Input 6 50 ADC_VIN7 Input analog A/D Converter Input 7 51 ADC_AVSS GND analog Ground 52 IO_VDD33 +3.3V digital Power 53 IO_VDD33 +3.3V digital Power 54 GP_C0 Bidirectional General Purpose IO 55 GP_D0 Bidirectional General Purpose IO 56 GP_C1 Bidirectional General Purpose IO 57 GP_D1 Bidirectional General Purpose IO 58 GP_C2 Bidirectional General Purpose IO 59 GP_C3 Bidirectional General Purpose IO 60 IO_VDD33 +3.3V digital Power 61 GP_C4 Bidirectional General Purpose IO 62 GP_C5 Bidirectional General Purpose IO 63 GP_C6 Bidirectional General Purpose IO 64 GP_C7 Bidirectional General Purpose IO

5 – 2

OA-2000 (IC1) Terminal description (2/4)

No. Pin name I/O Pin Description

65 CORE_VDD18 +1.8V digital Power 66 VSS GND digital Ground 67 GP_F0/PO_PAGE_SYNC Bidirectional General Purpose IO/Print Page Synchronous Input 68 GP_F1/PO_LINE_SYNC Bidirectional General Purpose IO/Print Line Synchronous Input 69 GP_F2 Bidirectional General Purpose IO 70 GP_F3 Bidirectional General Purpose IO 71 IO_VDD33 +3.3V digital Power 72 GP_F4 Bidirectional General Purpose IO 73 GP_F5 Bidirectional General Purpose IO 74 GP_F6 GND digital General Purpose IO 75 GP_F7 +1.8V digital General Purpose IO 76 VSS GND digital Ground 77 ROM_CS_L Output ROM Chip Select 78 SDRAM_DATA0 Bidirectional SDRAM Data Bus 79 IO_VDD33 +3.3V digital Power 80 SDRAM_DATA1 Bidirectional SDRAM Data Bus 81 SDRAM_DATA2 Bidirectional SDRAM Data Bus 82 SDRAM_DATA3 Bidirectional SDRAM Data Bus 83 SDRAM_DATA4 Bidirectional SDRAM Data Bus 84 CORE_VDD18 +1.8V digital Power 85 VSS GND digital Ground 86 SDRAM_DATA5 Bidirectional SDRAM Data Bus 87 SDRAM_DATA6 Bidirectional SDRAM Data Bus 88 SDRAM_DATA7 Bidirectional SDRAM Data Bus 89 SDRAM_DATA8 Bidirectional SDRAM Data Bus 90 IO_VDD33 +3.3V digital Power 91 SDRAM_DATA9 Bidirectional SDRAM Data Bus 92 SDRAM_DATA10 Bidirectional SDRAM Data Bus 93 SDRAM_DATA11 Bidirectional SDRAM Data Bus 94 SDRAM_DATA12 Bidirectional SDRAM Data Bus 95 VSS GND digital Ground 96 SDRAM_DATA13 Bidirectional SDRAM Data Bus 97 SDRAM_DATA14 Bidirectional SDRAM Data Bus 98 SDRAM_DATA15 Bidirectional SDRAM Data Bus 99 SDRAM_DQMA0 Output SDRAM IO Mask

100 IO_VDD33 +3.3V digital Power 101 SDRAM_DQMA1 Output SDRAM IO Mask 102 SDRAM_CS0_L Output SDRAM Chip Select 0 103 SDRAM_CKE Output SDRAM Clock Enable 104 SDRAM_CLK Output SDRAM Clock 105 VSS GND digital Ground 106 SDRAM_ADDR12 Bidirectional SDRAM Address Bus 107 SDRAM_ADDR11 Bidirectional SDRAM Address Bus 108 SDRAM_ADDR10 Bidirectional SDRAM Address Bus 109 SDRAM_ADDR9 Bidirectional SDRAM Address Bus 110 IO_VDD33 +3.3V digital Power

111 SDRAM_ADDR8 Bidirectional SDRAM Address Bus 112 SDRAM_ADDR7 Bidirectional SDRAM Address Bus 113 SDRAM_ADDR6 Bidirectional SDRAM Address Bus 114 SDRAM_ADDR5 Bidirectional SDRAM Address Bus 115 VSS GND digital Ground 116 SDRAM_ADDR4 Bidirectional SDRAM Address Bus 117 IO_VDD33 +3.3V digital Power 118 SDRAM_CS1A_L Output SDRAM Chip Select 1 119 SDRAM_ADDR3 Bidirectional SDRAM Address Bus 120 CORE_VDD18 +1.8V digital Power 121 VSS GND digital Ground 122 SDRAM_ADDR2 Bidirectional SDRAM Address Bus 123 SDRAM_ADDR1 Bidirectional SDRAM Address Bus 124 SDRAM_ADDR0 Bidirectional SDRAM Address Bus 125 SDRAM_BA1 Bidirectional SDRAM Bank Select Address 126 IO_VDD33 +3.3V digital Power 127 SDRAM_BA0 Bidirectional SDRAM Bank Select Address 128 SDRAM_RAS_L Bidirectional SDRAM Row Address Strobe Command

AM-400DE

5 – 3

AM-400DE

OA-2000 (IC1) Terminal description (3/4)

No. Pin name I/O Pin Description

129 SDRAM_CAS_L Bidirectional SDRAM Column Address Strobe Command 130 SDRAM_WE_L Bidirectional SDRAM Write Enable 131 VSS GND digital Ground 132 GP_H0/PI_TGEN0 Bidirectional General Purpose IO/Timing Generator for CIS 133 GP_H1/BASE_CLK Bidirectional General Purpose IO/Base Clock Input 134 GP_H2/PI_TGEN2 Bidirectional General Purpose IO/Timing Generator for CIS 135 GP_H3 Bidirectional General Purpose IO 136 IO_VDD33 +3.3V digital Power 137 RTC_VSS GND digital Ground 138 RTC_XIN Crystal/Input Real Time Clock Crystal 139 RTC_XOUT Crystal Real Time Clock Crystal 140 RTC_VDD18 +1.8V digital Real Time Clock Power 141 VSS GND digital Ground 142 CORE_VDD18 +1.8V digital General Purpose IO 143 GP_H4 Bidirectional Power 144 GP_H5/PI_TGEN5 Bidirectional General Purpose IO/Timing Generator 145 GP_H6/PI_TGEN6 Bidirectional General Purpose IO/Timing Generator 146 GP_H7/PI_TR_TGEN Bidirectional General Purpose IO/Timing Generator 147 IO_VDD33 +3.3V digital Power 148 GP_J0 Bidirectional General Purpose IO 149 GP_J1 Bidirectional General Purpose IO 150 GP_J2 Bidirectional General Purpose IO 151 GP_J3 Bidirectional General Purpose IO 152 VSS GND digital Ground 153 GP_J4 Bidirectional General Purpose IO 154 GP_J5 Bidirectional General Purpose IO 155 GP_J6 Bidirectional General Purpose IO 156 GP_J7 Bidirectional General Purpose IO 157 IO_VDD33 +3.3V digital Power 158 GP_K0/PI_TGEN_AUX Bidirectional General Purpose IO/Timing Generator 159 GP_K1 Bidirectional General Purpose IO 160 VSS GND digital Ground 161 RESET_L Bidirectional Reset signal Input 162 AFE_VINB Input analog AFE Video Input 163 AFE_VING Input analog AFE Video Input 164 AFE_ANAREF GND analog AFE Reference Voltage Input 165 AFE_VINR Input analog AFE Video Input 166 AFE_AVSS GND analog Ground 167 AFE_VREFN Analog AFE Reference Voltage Input 168 AFE_VREFP Analog AFE Reference Voltage Input 169 AFE_VCM Analog AFE Reference Voltage Input 170 AFE_AVDD33 +3.3 V analog Power 171 VSS GND digital Ground 172 CORE_VDD18 +1.8V digital Power 173 TCK Input (Used only debug mode) 174 TMS Input (Used only debug mode) 175 TDI Input (Used only debug mode) 176 TDO Output (Used only debug mode) 177 CK_PWM1 Bidirectional Pulse Width Modulators 178 CK_PWM0 Bidirectional Pulse Width Modulators 179 IO_VDD33 +3.3V digital Power 180 XOUT Crystal Crystal 181 XIN Crystal/Input Crystal 182 VSS GND digital Ground 183 CORE_VDD18 +1.8V digital Power 184 PLL_AVDD18 +1.8V analog Power 185 PLL_AVSS GND digital Ground 186 HOST1_DM Bidir.analog USB Host Interface 187 HOST1_DP Bidir.analog USB Host Interface 188 HOST_AVDD33 +3.3V analog Power 189 HOST0_DM Bidir.analog USB Host Interface 190 HOST0_DP Bidir.analog USB Host Interface 191 HOST_AVSS GND analog Ground 192 DEV_RSDM Output analog USB Device Interface

5 – 4

OA-2000 (IC1) Terminal description (4/4)

No. Pin name I/O Pin Description

193 DEV_RSDP Output analog USB Device Interface 194 DEV_DP Bidir.analog USB Device Interface 195 DEV_DM Bidir.analog USB Device Interface 196 DEV_AVSS GND analog Ground 197 DEV_RREF Analog USB Device Reference Input 198 DEV_AVDD33 +3.3V analog Power 199 DEV_VSENSE Input USB Device Interface 200 DEV_RUP Output USB Device Interface 201 GP_L0/PO_DATA0 Bidirectional General Purpose IO/Print Video Data Output 202 GP_L1 Bidirectional General Purpose IO 203 GP_L2 Bidirectional General Purpose IO 204 GP_L3 Bidirectional General Purpose IO 205 GP_L4 Bidirectional General Purpose IO 206 GP_L5 Bidirectional General Purpose IO 207 VSS GND digital Ground 208 IO_VDD33 +3.3V digital Power

AM-400DE

2.1.2 Memory block

1) LH28F160BJE (IC6): pin-48 TSOP (FLASH MEMORY)

16Mbit FLASH Memory.

Firmware being compressed except for boot program, is stored in this device. All of the entry data, user setting and so on are also stored.

2) W9812G6DH-75 or IS42S16800A-7TL (IC4): pin-54 TSOP (SDRAM)

128Mbit (2M x 16bit x 4bank) Synchronous DRAM.

On power on sequence, the firmware being compressed and stored in FLASH memory (IC6) is decompressed to this device. After decompression, this device is used as a program execution memory. It is also used as various work memories and communication buffer etc.

2.1.3 MODEM block

1) MODEM

The block is mainly composed of the G3 FAX modem FM336PLus (IC18), and is provided with the following modem function.

1) G3 FAX modem

The modem satisfies the requirements specified in ITU-T recommendations V.34 half-duplex, V.17, V.33, V.29, V.27 ter, V.21, and meets the binary signaling requirements of V.8 and T.30 with Annex F. Internal HDLC support eliminates the need for an external serial input/output (SIO) device in the DTE for products incorporating error detection and T.30 protocol. The modem can perform HDLC framing per T.30 at all data speeds. CRC generation/checking along with zero insertion/deletion enhances SDLC/HDLC frame operations. Two FSK (V.21 Ch. 1 and V.21 Ch. 2) flag pattern detectors facilitate FSK detection during high-speed reception. The modem features a programmable DTMF transmitter/receiver and three programmable tone detectors.

2) Features

• 2-wire half-duplex fax modem modes with send and receive data rates up to 33.6 kbps.

- V.34 half-duplex, V.17, V.33, V.29, V.27 ter, and V.21 Channel 2

- Short train option in V.17 and V.27 ter

• 2-wire duplex data modem modes

- V.21, V.23 (75 bps TX/1200 bps RX or 1200 bps TX/75 bps RX)

• PSTN session starting

- V.8 and V.8 bis signaling

• HDLC support at all speeds

- Flag generation, 0-bit stuffing, ITU-T CRC-16 or CRC-32 calculation and generation

- Flag detection, 0-bit stuffing, ITU-T CRC-16 or CRC-32 check sum error detection

- FSK flag pattern detection during high-speed receiving

• Tone modes and features

- Programmable single or dual tone generation

- DTMF receiver

- Tone detection with three programmable tone detectors

• Serial and parallel synchronous data

• Automatic Rate Adaptation (ARA) in V.34 half-duplex

• Auto-dial and auto-answer control

• TTL and CMOS compatible DTE interface

- ITU-T V.24 (EIA/TIA-232-E) (data/control)

- Microprocessor bus (data/configuration/control)

• Receive dynamic range:

- 0 dBm to -43 dBm for V.17, V.33, V.29, V.27 ter and V.21

- -9 dBm to -43 dBm for V.34 half-duplex

• Caller ID Demodulation

• Single tone detection in Data Mode

• ADPCM Voice Mode (Conexant Proprietary)

• Programmable RSLD turn-on and turn-off thresholds

• Programmable transmit level: 0 to -15 dBm

• Adjustable speaker output to monitor received signal

• DMA support for interrupt lines

• Two 16-byte FIFO data buffers for burst data transfer with extension upto 255 bytes

• Diagnostic capability

• V.21 Channel 1 Flag detect and V.21 Channel 2 Flag detect

• +3.3 V operation with +5 V tolerant inputs

• +5 V analog signal interface

• 100-pin PQFP package

• Typical power consumption

- Normal mode: VDD1 = 250 mW (+3.3 V for DSP); VDD = 35 mW (+5 V for IA)

- Sleep mode: VDD1 = 20 mW (+3.3 V for DSP); VDD = 0.1 mW (+5 V for IA)

5 – 5

AM-400DE

3) Configurations, Signaling Rates, and Data Rates

Configuration Modulation Carrier Fre-

quency (Hz) ±

Data Rate

(bps) ± 0.01 %

0.01 %

V.90 PCM PCM — 56000 R/V.34

rates T

(Note 4)

V. 34 33600 TCM

V. 34 31200 TCM

V. 34 28800 TCM

V. 34 26400 TCM

V. 34 24000 TCM

V. 34 21600 TCM

V. 34 19200 TCM

V. 34 16800 TCM

V. 34 14400 TCM

V. 34 12000 TCM

V. 34 9600 TCM

V. 34 7200 TCM

V. 34 4800 TCM

V. 34 2400 TCM

TCM Note 2 33600 3429 only Note 2 Note 2 Note 2

TCM Note 2 31200 3200 min Note 2 Note 2 Note 2

TCM Note 2 28800 3000 min Note 2 Note 2 Note 2

TCM Note 2 26400 2800 min Note 2 Note 2 Note 2

TCM Note 2 24000 2800 min Note 2 Note 2 Note 2

TCM Note 2 21600 2400 min Note 2 Note 2 Note 2

TCM Note 2 19200 Note 2 Note 2 Note 2 Note 2

TCM Note 2 16800 Note 2 Note 2 Note 2 Note 2

TCM Note 2 14400 Note 2 Note 2 Note 2 Note 2

TCM Note 2 12000 Note 2 Note 2 Note 2 Note 2

TCM Note 2 9600 Note 2 Note 2 Note 2 Note 2

TCM Note 2 7200 Note 2 Note 2 Note 2 Note 2

TCM Note 2 4800 Note 2 Note 2 Note 2 Note 2

TCM Note 2 2400 2400 only Note 2 Note 2 Note 2

V. 32 bis 14400 TCM TCM 1800 14400 2400 6 1 128 V. 32 bis 12000 TCM TCM 1800 12000 2400 5 1 64 V. 32 bis 9600 TCM TCM 1800 9600 2400 4 1 32 V. 32 bis 7200 TCM TCM 1800 7200 2400 3 1 16 V. 32 bis 4800 QAM 1800 4800 2400 2 0 4 V. 32 9600 TCM TCM 1800 9600 2400 4 1 32 V. 32 9600 QAM 1800 9600 2400 4 0 16 V. 32 4800 QAM 1800 4800 2400 2 0 4 V. 22 bis 2400 QAM 1200/2400 2400 600 4 0 16 V. 22 bis 1200 DPSK 1200/2400 1200 600 2 0 4 V. 22 1200 DPSK 1200/2400 1200 600 2 0 4 V. 22 600 DPSK 1200/2400 600 600 1 0 4 V. 23 1200/75 FSK 1700/420 1200/75 1200 1 0 — V. 21 FSK 1080/1750 Up to 300 300 1 0 — Bell 208 4800 DPSK 1800 4800 1600 3 0 8 Bell 212A DPSK 1200/2400 1200 600 2 0 4 Bell 103 FSK 1170/2125 Up to 300 300 1 0 — V. 17 14400 TCM/V.33 TCM 1800 14400 2400 6 1 128 V. 17 12000 TCM/V.33 TCM 1800 12000 2400 5 1 64 V. 17 9600 TCM TCM 1800 9600 2400 4 1 32 V. 17 7200 TCM TCM 1800 7200 2400 3 1 16 V. 29 9600 QAM 1700 9600 2400 4 0 16 V. 29 7200 QAM 1700 7200 2400 3 0 8 V. 29 4800 QAM 1700 4800 2400 2 0 4 V. 27 4800 DPSK 1800 4800 1600 3 0 8 V. 27 2400 DPSK 1800 2400 1200 2 0 4 V. 21 Channel 2 FSK 1750 300 300 1 0 — Notes:

1. Modulation legend:TCM:Trellis-Coded Modulation QAM:Quadrature Amplitude Modulation PCM:Pulse Coded Modulation FSK:Frequency Shift Keying DPSK:Differential Phase Shift Keying

2. Adaptive; established during handshake: Symbol Rate (Baud) V. 34 Low Carrier Frequency (Hz) V. 34 High Carrier Frequency (Hz) 2400 1600 1800 2800 1680 1867 3000 1800 2000 3200 1829 1920 3429 1959 1959

3. For both duplex and half-duplex modes.

4. Maximum data rate.

Symbol Rate

(Symbols/Sec.)

Bits/Symbol

Data

Bits/Symbol

TCM

8000 Dynamic — —

Constellation

Points

5 – 6

4) FM336Plus (IC18) Terminal description

PIN I/O Name Interface PIN I/O Name Interface

1 — RESERVED NC 51 — RESERVED NC 2 IA RS2 HOST Interface 52 GND VSUB — 3 IA RS3 HOST Interface 53 GND VSS — 4 IA RS4 HOST Interface 54 — NC NC 5 IA /CS OHOST Interface 55 — NC NC 6 IA /WR HOST Interface 56 MI SLEEP Modem Interconnect 7 IA /RD HOST Interface 57 PWR VDD1 — 8 OA /RDCLK DTE Serial Interface 58 — NC NC

9 OA /RLSD DTE Serial Interface 59 — RESERVED NC 10 OA TDCLK DTE Serial Interface 60 — RESERVED NC 11 IA TXD DTE Serial Interface 61 MI SR1IO Modem Interconnect 12 OA /CTS DTE Serial Interface 62 PWR VCORE — 13 PWR VDD1 — 63 PWR VDD1 — 14 — RESERVED NC 64 IA XTCLK DTE Serial Interface 15 — RESERVED NC 65 GND VSS — 16 GND VSS — 66 — RESERVED NC 17 — NC NC 67 OA RXD DTE Serial Interface 18 IA /RESET Modem Interconnect 68 IA /DTR DTE Serial Interface 19 OA SR4OUT Modem Interconnect 69 PWR VDD1 — 20 — NC NC 70 MI IA SLEEP Modem Interconnect 21 IA SR4IN Modem Interconnect 71 PWR VGG — 22 OA CLK OUT Modem Interconnect 72 OA YCLK Overhead Signal 23 OA EYESYNC Diagnostic Signal 73 OA XCLK Overhead Signal 24 OA EYECLK Diagnostic Signal 74 OA EYEXY Diagnostic Signal 25 GND MAVSS — 75 OA /DSR DTE Serial Interface 26 PWR MAVDD — 76 OA /RI Telephone Line Interface 27 O(DF) SPKR Telephone Line Interface 77 IA RINGD Telephone Line Interface 28 O(DD) TXA2 Telephone Line Interface 78 IA /RTS DTE Serial Interface 29 O(DD) TXA1 Telephone Line Interface 79 OA IRQ HOST Interface 30 MI VREF Modem Interconnect 80 GND VSS — 31 MI VC Modem Interconnect 81 MI GP00 Modem Interconnect 32 I(DA) RIN Telephone Line Interface 82 — RESERVED NC 33 AGND MAVSS — 83 — RESERVED NC 34 IA /POR Modem Interconnect 84 PWR VDD1 — 35 — RESERVED NC 85 I XTALI/CLKIN Overhead Signal 36 — RESERVED NC 86 O XTALO Overhead Signal 37 O(DD) /TALK Telephone Line Interface 87 IA/OB D0 HOST Interface 38 PWR VDD — 88 IA/OB D1 HOST Interface 39 — RESERVED NC 89 IA/OB D2 HOST Interface 40 — RESERVED NC 90 IA/OB D3 HOST Interface 41 — NC NC 91 IA/OB D4 HOST Interface 42 IA M CNTRL SIN Modem Interconnect 92 PWR VDD1 — 43 IA M CLKIN Modem Interconnect 93 IA/OB D5 HOST Interface 44 IA M TXSIN Modem Interconnect 94 IA/OB D6 HOST Interface 45 IA M SCK Modem Interconnect 95 IA/OB D7 HOST Interface 46 IA M RXOUT Modem Interconnect 96 IA/OB RS0 HOST Interface 47 IA M STROBE Modem Interconnect 97 IA/OB RS1 HOST Interface 48 — RESERVED NC 98 PWR PLL VDD — 49 O(DD) OH Telephone Line Interface 99 GND VSS — 50 PWR VDD — 100 GNDPLL GND —

Notes:

1. I/O types: MI: Modem interconnect IA, IB:Digital input O(DD), O(DF):Analog input I(DA): Analog input OA, OB:Digital output

2. NC= No external connection required. RESERVED= No external connection allowed.

3. Interface Legend: HOST= Modem Control Unit (Host) DET= Data Terminal Equipment

AM-400DE

2) Speaker amplifier

The speaker amplifier (IC17) outputs the buzzer and ringer sound generated by Main CPU (IC1).

5 – 7

AM-400DE

(

)

2.1.4 Scanner I/F block

1) CIS I/F block

The CIS is controlled through buffer (IC14) by Main CPU (IC1), and the output video signal from CIS is input into AFE block of Main CPU (IC1). CIS LED is controlled through LED driving circuit (IC36, Q29~Q34) by Main CPU (IC1).

CIS

LED R/G/B

Image sensor

2) Scanner Motor control

MTD2007F (IC12): pin-28 HSOP (Scanner Motor Driver)

The scanner motor is driven by this Motor Driver which is the constant current motor driver with bipolar, chopper system the rotation speed and its timing of the scanner motor are controlled by Main CPU (IC1).

Motor Driver

Scanner Motor

Motor Driver (IC12)

IC12)IC12

LED Driving circuit

Buffer IC

(IC14)

Video signal

Fig. 2

Main CPU (IC1)

AFE BLOCK

Main CPU (IC1)

2.1.5 Panel I/F block

The strobe signals for LCD control and key scanning of the operation panel PWB unit are output from the GPIO port of the Main CPU (IC1). The key switch sense signals from panel unit is connected to peripheral bus via buffer IC (IC14).

LCD

Operation

Panel Control Signal

PWB

unit

Key Sense Signal

Fig. 3

Fig. 4

Strobe Signal

Control Signal

Buffer IC (IC14)

Main CPU

(IC1)

Peripheral Bus

5 – 8

2.2. Printer control block

Printer control block is composed by a single chip microcomputer "HD64F36049" which built in a 16bit CPU, 96kbyte flash ROM and 3kbyte RAM.

2.2.1 HD64F36049 (IC21): pin-80 QFP

Feature

High-speed H8/300H central processing unit with an internal 16bit architecture.

• Upward-compatible with H8/300 CPU on an object level

Sixteen 16bit general registers

62 basic instructions

• Various peripheral functions

Timer B1 (8bit timer)

OSC2

OSC1

Timer V (8bit timer)

Timer W (16bit timer)

Timer Z (16bit timer)

14bit PWM)

Watchdog timer

SC13 (Asynchronous or clocked synchronous serial communication interface) x 3 channels

10bit A/D converter

• On-chip memory

ROM (F-ZTAT): 96kbytes

RAM: 4kbytes

• Operation frequency: 20MHz

NMI

TEST

VSS

RES

VCLVCC

AM-400DE

P17/IRQ3/TRGV

P16/IRQ2

P15/IRQ1/TMIB1

P14/IRQ0

P12

P11/PWM

P10/TMOW

P24 P23

P22/TXD

P21/RXD

P20/SCK3

P37 P36 P35 P34 P33 P32 P31 P31

P57/SCL

P55/WKP5/ADTRG

P56/SDA

P54/WKP4 P53/WKP3 P52/WKP2 P51/WKP1 P50/WKP0

Port 1 Port 2 Port 3

Port 5

Subclock

generator

System

clock

generator

CPU

H8/300H

Data bus(lower)

ROM

RTC

14-bit PWM

Timer Z

Timer V

Timer W

A/D converter

Data bus(upper)

Address bus

RAM

IIC2

SCI3

SCI3_2

SCI3_3

Watchdog

timer

Timer B1

P67/FTIOD1 P66/FTIOC1 P65/FTIOB1 P64/FTIOA1 P63/FTIOD0

Port 6Port 7Port 8

P62/FTIOC0 P61/FTIOB0 P60/FTIOA0

P77 P76/TMOV P75/TMCIV P74/TMRIV P72/TXD_2 P71/RXD_2 P70/SCK3_2

P87 P86 P85 P84/FTIOD P83/FTIOC P82/FTIOB P81/FTIOA P80/FTCI

P97 P96 P95 P94 P93

Port 9

P92/TXD_3 P91/RXD_3 P90/SCK3_3

Port B

PB7/AN7

PB6/AN6

PB5/AN5

PB4/AN4

Fig. 5

5 – 9

PB3/AN3

PB2/AN2

PB1/AN1

PB0/AN0

AVSS

AM-400DE

HD64F36049 (IC21) Terminal description

TYPE SYMBOL PIN NO. I/O FUNCTIONS

Power supply pins Vcc 12 I Power supply pin. Connect this pin to the system power supply.

Vss 9, 50 I Ground pin. Connect this pin to the system power supply (0V). AVcc 3 I Analog power supply pin for the A/D converter. When the A/D converter is not

used, connect this pin to the system power supply.

AVss 74 I Analog ground pin for the A/D converter. Connect this pin to the system power

supply (0V).

Clock pins OCS1 11 I These pins connect with crystal or ceramic resonator for the system clock, or

OCS2 10 O X1 5 I These pins connect with a 32.768 kHz crystal resonator for the subclock. See X2 4 O

System control /RES 7 I Reset pin. The pull-up resistor (typ. 150 kΩ) is incorporated. When driven low,

TEST 8 I Test pin. Connect this pin to Vss.

External interrupt pins /NMI 13 I Non-maskable interrupt request input pin.

/IRQ0 - /IRQ3 25 - 28 I External interrupt request input pins. Can select the rising or falling edge.

/WKP0 - /WKP5 36 - 31 I External interrupt request input pins. Can select the rising or falling edge. RTC TMOW 56 O This is an output pin for divided clocks. Timer B1 TMIB1 26 I External event input pin. Timer V TMOV 72 O This is an output pin for waveforms generated by the output compare function.

TMCIV 71 I External event input pin.

TMRIV 70 I Counter reset input pin.

TRGV 28 I Count start trigger input pin. Timer Z FTIOA0 42 I/O Output compare output/input capture input/external clock input pin.

FTIOB0 43 I/O Output compare output/input capture input/PWM output pin.

FTIOC0 44 I/O Output compare output/input capture input/PWM synchronous output pin (at a

FTIOD0 45 I/O Output compare output/input capture input/PWM output pin.

FTIOA1 46 I/O Output compare output/input capture input/PWM output pin (at a reset or in

FTIOB1 - FTIOD1 47 - 49 I/O Output compare output/input capture input/PWM output pin. Timer W FTCI 51 I External event input pin.

FTIOA - FTIOD 52 - 55 I/O Output compare output/input capture input/PWM output pin. 14bit PWM PWM 57 O 14bit PWM square wave output pin.

C bus interface 2 (IIC2)

Serial Communication interface 3 (SCI3)

A/D converter AN7 - AN0 2, 1, 80 - 75I Analog input pin.

SDA 30 I/O IIC data I/O pin. Can directly drive a bus by NMOS open-drain output. When

SCL 29 I/O

TXD, TXD_2,

TXD_3

RXD, RXD_2,

RXD_3

SCK3, SCK_2,

SCK_3

6 I Internal step-down power supply pin. Connect a capacitor of around 0.1µF

between this pin and the Vss pin for stabilization.

can be used to input an external clock.

Clock Pulse Generators, for a typical connection.

the chip is reset.

reset or in complementary PWM mode)

complementary PWM mode)

using this pin, external pull-up resistor is required.

39, 69, 61

40, 68, 60

41, 67, 59I/O Clock I/O pin.

O Transmit data output pin.

I Receive data input pin.

/ADTRG 31 I Conversion start trigger input pin. I/O ports PB7 - PB0 2, 1, 80 - 75I 8bit input port.

P17 - P14, P12 -

P10

P24 - P20 37 - 41 I/O 5bit I/O port.

P37 - P30 17 - 24 I/O 8bit I/O port.

P57 - P50 29 - 36 I/O 8bit I/O port.

P67 - P60 49 - 42 I/O 8bit I/O port.

P77 - P74, P72 -

P70

P87 - P80 14 - 16,

P97 - P90 66 - 59 I/O 8bit I/O port.

28 - 25, 58 - 56

73 - 70, 69 - 67

55 - 51

I/O 7bit I/O port.

I/O 8bit I/O port.

5 – 10

This printer CPU executes the print action in accordance with the command from Main controller. Printer CPU controls each component of Laser Beam Printer (LBP) as follows.

1) Main Motor control

2) Pickup Motor control

3) Fuser control

4) High Voltage Generator control

5) Laser Scanning control

6) Sensor monitor

7) Communication with Main controller

2.2.2 Signal connection

AM-400DE

POWER SUPPLY PWB UNIT

3.3 V Logic

RX_DATA

TX_DATA

Heater Lamp drive circuit

OA-2000 (OASIS)

PB_DATA

PAGE_SYNC

PIXEL_DATA

LINE_SYNC

SCLK

GPO

DRV

DRV HLON

5V Tolerance Buf.

/SCLK

/CMD

/CPRDY

/DSRDY

/DPAGE

3.3V->5V TRANS.

D7~5

PCURES

VIDEO IN

5V Tolerance Buf.

Buffer

Tolerance

5V Tolerance Buf.

Digital Transistor

GND

20MHz

Circuit

LATCH F.F.

Laser Timing

WRLY

/ZC

/STS

EPRDY

/DCRDY

/DREADY

/VSYNC

/PCURES

APC_AUTO

SYNC_LON

/LASERON

/SAMPON

PMD

VIDEO

SAMP

GPO

IRQ0

5 V Logic

16bit

MICROCOMPUTER

TXD_3

SCK3_3

RXD_3G

GPI

GPO

RES

OSC1

OSC2

TMOV FTIOD0

GPO

HD64F36049

Remove chattering

AN0

GPO

FTIOB

GPO

GPI

GPI*3

GPO

FTIOB0

FTIOC0

IRQ1/

GPO

FTIOA1

IRQ2

TRGV

GPI

VFM

/MEN /MMRES

STEP

DIR

/DOP

GPI

PUMA DRV

PUMB DRV

/PUMAD DRV

/PUMBD DRV

TC/BIASON

MCON

PWM0

PWM1

PWM2

PWMINT

LDEN

PMCLK

Open Collector

Open

Collector Open

Collector

COMP

Motor Driver

COMP

PWMSIN

Generation

Circuit

Open

Collector

Open

Collector

DRV

Limit Temp.

RTH

MA+ MAMB+ MB-

+24V

TRY OPEN

PE BY

/CAMSW

/ROLSNS

/POUT1

/POUT2

TCT2~TCT0

PWMSIN

LDEN

/PMCLK

/HSYNC

/PMRDY

/PMD

/VIDEO

/S_H

5 V/24 V Control

FUSER Thermister

FAN

STEPPER MOTOR

R-COVER (F-COVER)

TORAY

BYPASS TORAY

STEPPER MOTOR for Paper Pickup

CAM SW

PU ROLLER

SENSOR

P_OUT

from FUSER

P_OUT

from ROLLER

/PIN

P_IN

Toner C/T

DETECT SW

HIGH VOLTAGE PWB UNIT

OPTICAL

UNIT

(LSU)

LBP ENGINE

Fig. 6

5 – 11

AM-400DE

2.2.3 Signal assignment to the Printer CPU pins

Control unit

OA-2000 I/F /STS TXD Video I/F signals to/from the main CPU (OA-2000)

LSU APC_AUTO TMOV APC timing generation signal for line cycle

High voltage PWM0 FTIOB0 Clock for high voltage control clock PWMSIN

Sensor /PIN GPI Main unit paper feed detection (Paper-In)

Fusing RTH AN Thermistor analog input (temperature detection)

Main motor /MEN GPO Excitation enable

Pickup motor PUMA GPO Excitation phase A

Fan VFM GPO Fan ON/OFF control Power supply /ZC IRQ AC zero-cross signal input

Mechanism control CPU

Signal Pin No.

/SCLK SCK /CMD RXD /PCURES RESET /DCRDY GPO /DREADY GPO /EPRDY GPO /VSYNC GPO /CPRDY GPI /DPAGE GPI /DSRDY GPI

/SYNC TRGV Laser main scanning sync signal

IRQ PMCLK FTIOA1 Polygon motor clock LDEN GPO Laser circuit driving signal PMD GPO Polygon motor driving signal /LASERON GPO Laser on SAMPON GPO APC circuit sample signal SYN_LON GPO Next line laser on (SYNC)

PWM1 FTIOC0 Clock for high voltage control clock PWMSIN PWM2 FTIOD0 Clock for high voltage control clock PWMSIN /PWMINT IRQ Timer setting change interrupt MCON GPO Charge control TC/BSON GPO Transfer/DC bias control

/POUT1 GPI Paper eject detection (Paper-Out/fusing section) /POUT2 GPI Paper eject detection (Paper-Out/exit roller section) PE_BY GPI Detection of paper presence in the bypass tray OPEN_TRAY GPI Tray cover open/close detection /DOP GPI Door open/close detection (front and right doors) /CAMSW GPI Cam home position detection /ROLSNS GPI PU roller rotational position detection TCT2 GPI Toner cartridge identification TCT1 GPI TCT0 GPI

HLON GPO Heater lamp ON/OFF control

/MMRES GPO Reset input (Home State) STEP FTIOA Step clock

PUMB GPO Excitation phase B /PUMA GPO Excitation phase /A /PUMB GPO Excitation phase /B

PWRLY GPO Power relay ON/OFF signal

(Destination and initial toner charge)

Description

5 – 12

1) Main Motor control: Control the rotation of Main Motor and its mechanism

Main Motor is the stepper motor and drives the whole of the mechanism of LBP. Main Motor is driven in 2-phase excitation by the driver (IC34: A3982SLB). The driver circuit is provided with the fuse (F7) to shut the motor power supply for the safety.

2) Pickup Motor control: Control the rotation of Pickup Motor and its mechanism

Pickup Motor is the stepper motor and drives the pickup mechanism of print paper. Pickup Motor is driven in 2-phase excitation by the driver (IC32: ULN2003A). The driver circuit is provided with the fuse (F6) to shut the motor power supply for the safety. Printer CPU controls the timing to pickup the paper with watching the roller sensor.

3) Fuser control: Control the temperature of the fuser unit

The heater lamp is controlled ON/OFF to adjust the temperature of the fusing unit. The heater lamp is driven by the driver (IC32: ULN2003A). The temperature of the fusing unit is monitored with the thermistor. The fuser control circuit is provided with the safety circuit to stop to light the heater lamp automatically when the thermistor detection temperature rises over unusual high temperature.

4) High Voltage Generator control: Control high voltage supplied to LBP

• Main charger voltage to the drum unit

• Developing bias voltage to the toner unit

• Transfer charger voltage to the transfer roller

The high voltage outputted from High Voltage unit is controlled with PWM and ON/OFF signals ("MCON" and "TCON").

5) Laser Scanning control: Control Optical unit (LSU) to expose the OPC drum.

AM-400DE

The laser beam scanning light expose the OPC drum corresponding to the print data. The circuit of Optical unit (LSU) is composed with the scanning motor drive block and the laser beam drive block.

a) The control of the scanning motor drive block

The scanning motor is controlled by the clock of 2659.574Hz ("PMCLK") and ON/OFF signal ("PMD"). Optical unit (LSU) replies by the ready when the rotation of the motor becomes stable. The initialization of the laser beam control is started after the stable rotation of the scanning motor is confirmed.

b) The laser beam drive block

The timing of the signals is controlled in accordance with the specifications of Optical unit (LSU). Main CPU (IC1: OA-2000) outputs the print data ("PDATA") synchronized in the horizontal synchronous signal ("SYNC") from Optical unit (LSU). The print data is generated by Main CPU is directly transferred to Optical unit (LSU).

6) Sensor monitor: Monitor each sensor

Printer CPU controls the timing of the printing action with the following sensor information, and detect the paper jam, the paper empty and the paper size.

a) PIN: Detect carriage position of the paper

b) POUT1: Detect carriage position of the paper

c) POUT2: Detect carriage position of the paper

d) PEBY: Detect the paper on the bypass tray

e) OPEN_TRAY: Detect the tray cover setting

f) TCT2~0: Detect the toner cartridge setting

7) Communication with Main CPU

The printer information is communicated with Main CPU. At first, Main CPU transfers the command to Printer CPU on serial communication I/F. Then, the action according to the command is executed, e.g. start printing and return the status of the printer.

2.2.4 Hardware controlled protection function

Device Protective action Circuit description Purpose Status to be activated

Heater lamp (fusing device)

Laser (LSU) 1 When the cover is

A fuse is installed in the following power supply lines: Optical unit (LSU) laser, Main motor, Pickup motor

1 The heater lamp is

forcibly turned off when the temperature of the fusing device (thermistor value) exceeds the upper limit.

open, the power supply to the laser system circuits is shut off.

2 When the polygon

motor is inactive, the VIDEO signal is disabled (lighting prohibited).

3 The sampling of S/H

signal is disabled unless the VIDEO signal is active (laser on).

The circuit forcibly turns off (resets) the relay control signal of the heater lamp when the thermistor value reaches 238 ± 6 °C. To turn on the heater lamp again, it is necessary to have the microcomputer change the relay control signal PWRLY from 0 to 1. In other words, once the protective action is performed, the protection is not canceled automatically even if the temperature detected by the thermistor decreases. Equipped with a regulator circuit for producing the laser system power (+5 V) supplied to the LSU from +24 V power supply interrupted by the interlock. Equipped with a circuit for enabling output of the VIDEO signal when the polygon motor drive signal PMD is received.

Equipped with a circuit for enabling output of the S/H signal when the VIDEO signal is received.

Avoiding the abnormally high temperature of the fusing device.

Avoiding the exposure to laser beam.

Preventing the laser beam from focusing on only one point on the drum.

Avoiding abnormally high output of the laser.

The protection is activated when F/W is out of control, the microcomputer ADC is defective, or other abnormality occurred. Normally, the heater lamp is turned on/off by monitoring the temperature using F/W.

Malfunction due to the digital system circuit failure.

The polygon motor is stopped while debagging.

When F/W under development is defective or runs out of control, the protection is activated. Normally, each signal is controlled following the sequence by F/W.

5 – 13

AM-400DE

2.3. Power section

The Control PWB requires multi voltage (+1.8V, +3.3V, +5V, +24V, +24VH).

+3.3V, +5V, +24V and +24VH are supplied from the power supply unit, and +1.8 V are generated by the regulator (IC8).

+3.3VR is generated by regulator (IC9) on the Control PWB, is the exclusive use as clean power for scanner.

INT5V is generated by regulator (IC22) on the Control PWB, is the exclusive use as interlocking power for Optical unit (LSU).

Its structure is as shown below.

Power Supply

Control PWB

Unit

+24VH(*) +24VH

+24V (**) +24V

KIA7805API (IC22)

INT5V

+5V +5V

XC6219B332PR (IC9)

+3.3VR

+3.3V +3.3V

FAN1117AD18X (IC8)

+1.8V

(*) Supplied always regardless of door open/close.

(**) Supplied only when door is close.

Fig. 7

5 – 14

3. Printer mechanism control block

3.1. Unit control

3.1.1 High voltage unit control

The high voltage unit outputs the following voltages:

• Main charger voltage (DC-950V + AC760V peak to peak)

• Transfer charger voltage (DC+3600V + AC760V peak to peak)

• Developing bias voltage (DC-180V)

The following signals are outputted from the CPU and Logic to control the above voltages.

• MCON

This signal is to turn on/off the main charger.

When this signal is outputted.

As a result, the main charger voltage is outputted to the secondary side of the transformer (B51).

• TCON

This signal is to turn on/off the transfer charger and the developing bias voltage.

• PWMSIN

This signal is to control the main charger voltage and the transfer charger voltage. The PWM pulse of about 300Hz is outputted.

This pulse waveform adds the AC component to the main charger voltage and the transfer charger voltage.

By changing the pulse duty of this signal, the main charger voltage and the transfer charger voltage are controlled.

AM-400DE

3.1.2 Electrical connection

CONTROL PWB

TCON

MCON

PWMSIN

16bit CPU IC21

Logic circuit

Constant voltage control circuit

Short protection circuit

Constant voltage control circuit

PWM control circuit

High Voltage PWB Unit

Oscillation circuit

Feedback circuit

Oscillation circuit

B1 Transformer

B51 Transformer

Feedback circuit

HV(+) Rectifier circuit

HV(-) Rectifier circuit

Constant voltage(+) circuit

250MΩ

110MΩ

Constant voltage(-) circuit

Short circuit

FU-EARTH

LASER MFP

Transfer Roller

OPC DRUM

Separation electrode

Supply Roller

Developing Roller

Doctor

Charger Roller

Heat Roller

Pressure Roller

Fig. 8

5 – 15

AM-400DE

Laser

nHSYNC

OFF

Non-Active

Active

16.26mm

27.88µs

216mm

370.34µs

1 LINE

328.95mm

564.0µs

>3.75mm

>6.43µs

1.0µ s max.

Effective printing width

Effective width of printing data

F-number/Focal Length:104.7mm

VIDEO CLK:13.7774MHz

Polygon rotation speed/Rotation speed:26595.7min

-1

3.1.3 Laser scanning unit

This unit controls the laser beam power and laser beam scanning.

The control is performed with the signals inputted outputted to or from the CPU and Logic circuit.

Laser scanning unit (LSU)

Laser

LD PWB

Laser start position sensor

Photodiode

Laser diode

LD PWB

Lens

Polygon mirror

Fig. 9

Laser Scanning Unit (LSU)

Scan

Lens

Polygon motor

1) Signal functions

PMCLK

Clock signal for driving the scanning motor. (2659.57Hz)

PMD

Scanning motor ON/OFF signal.

HSYNC

This signal is outputted when the laser beam scanned by the laser beam sensor signal is sensed by sensor (Photo diode). Used for the left margin control.

VIDEO

This signal is used to control the laser diode emitting. Not only when the laser beam is emitted to perform the LEND process, but also when the laser beam is emitted as image data, 16bit CPU (IC21) controls and the signal is outputted from video terminal.

2) Laser beam power control

The laser beam power is controlled in the laser scanning unit.

This circuit functions to keep the laser beam output power at a constant level.

The laser beam output is monitored with photo diode for monitor. When the laser beam output rises above the specified value, the impedance of photo diode is decreased to decrease the monitor input voltage of the laser diode control IC.

Then the laser diode drive voltage is decreased to decrease the laser beam output to the specified level.

When the laser beam output is decreased below the specified level, the contrary operation are performed.

3) Timing of scanning

nHSYNC

nLDEN

nVIDEO nS/H

+5V

GND

CLOCK nREADY

nSTART

GND

+24V

Amp.

Laser diode driver

1, 5, 7

Polygon motor

Motor driver

Photodiode

Laser diode

Motor

Fig. 10

Laser

Polygon motor

Polygon mirror

Fig. 11

a) Scanning motor interface

Pin No. Terminal I/O Function

1 CLOCK Input Clock input 2 nREADY Output Motor rotation detect signal

"L" : Synchronous "OPEN" : Asynchronous

3 nSTART Input Motor control signal

"L" : Start

"OPEN" : Stop 4GND-GND 5 +24V - Power supply (+24V)

5 – 16

b) Laser Drive circuit operation timing

Laser drive circuit/LD Drive Circuit

nHSYNC

nLDEN

nVIDEO

nS/H

Laser output

Settling time/Settling Time

3ms above/More than 3ms

APC correction time/Auto Power Control Time

10µs above/More than 10µs

Laser OFF time/LD OFF Time

3µs following/Less than 3µs

Fig. 12

c) Each signal injection timing of the scanner motor

24V

UNLOCK

Asynchronous

LOCK

synchronous

UNCHECK

CHECK

STOP

Min 10 ms

Min 0.1s Min 0.1s

Starting time

(Max 0.5s)

Min 1s

Min 10 ms

OUT

CHECK

signal monitoring

DC24V

CLOCK

nSTART

nREADY

Speed

Jitter etc.

Fig. 13

d) Laser Drive circuit interface

Pin No. Terminal I/O Function

4 nLDEN Input Signal enables Laser driven

"H" : Disable "L" : Enables

2 nS/H Input APC control signal

"H" : Hold "L" : Sampling

3 nVIDEO Input Laser control signal

"H" : Laser OFF

"L" : Laser ON 1 GND - GND 5 GND - GND 7 GND - GND 6 +5V - Power supply (+5V) 8 nHSYNC Output

(Open-

collector)

Horizontal synchronize signal

"H" : Asynchronous

"L" : Synchronous

Min 10 ms

AM-400DE

3.1.4 Fusing unit control

The fusing section is heated by the heater lamp (500W). The heater lamp is controlled (turned on/off) to keep the optimum temperature. The following signals are outputted by the CPU and Logic circuit for control.

1) Signal functions

• HLON

This signal is to turn on/off the heater lamp. When this signal is outputted turn on triac TRA1. Then an AC power is supplied to the heater lamp to turn on the heater lamp.

• RHT

This is the output signal of the thermistor which detects the surface temperature of the heat roller. It is inputted to the CPU. The heater lamp is turned on/off depending on the value of RTH voltage.

2) Protect against overheat

Though the heater lamp ON signal (HLON-) is normal, if triac TRA1 are kept ON, overheat may result.

To prevent against this, temperature fuses are used.

When the fusing roller surface temperature exceeds about 214 degrees C, the temperature fuse blows off to open the +24V power line which drives the power relay RL1, opening the power line for the photo triac TRA1. Therefore, the power is not supplied to the heater lamp.

A temperature fuse is also provided in the heater lamp power line. In case of overheating, the heater lamp power line is opened directly.

3) Timing of temperature detection and heater control

As shown by the following timings, four values of software thermistor voltage are input as A/D conversion values. The mean value of two medians among these four is regarded as the newest thermistor value (temperature).

• The value is compared with the temperature (200°C) control value every 100 ms.

• If the value is higher than 200°C, the heater becomes OFF. If lower, the heater becomes ON.

• The heater ON timing is in accordance with the timing of Power Zero Cross interrupt.

Heater ON/OFF Control

Inputting thermistor values

Timings of thermistor value input and heater control

Heater ON/OFF Control

T (x 10ms)

4) Heater control (Temperature control)

Control method

a) Base machine printing (Copy, List, Receiving)

• Temperature control is started when data to be printed are

produced (or when slips are to be prepared).

• Temperature is controlled at 200 °C. (Heater OFF over 200

°C. Heater ON below 200 °C.)

• After printing, temperature is not controlled. (Heater is not

turned ON.)

• Fan motor starts revolving from the beginning of temperature

control and stops 120 seconds after printing is finished.

5 – 17

Fig. 14

AM-400DE

b) PC printing

• Temperature control is started when PC starts printing.

• Temperature is controlled at 200 °C. (Heater OFF over 200 °C. Heater ON below 200 °C.

• After printing, temperature is not controlled.

• Fan motor starts revolving from the beginning of temperature control and stops 120 seconds after printing is finished.

Temperature control is not started from the start of printing because the first copying time should be within 28 seconds.

In case of PC printing (Single sheet/continuous)

200°C

Printing started

Printing finished

Temperature control started

HLON

OFF

FAN

Fig. 15

3.1.5 Electrical connection

Heater lamp: The 500W halogen lamp is used. Thermistor: Thermistor of chip type with good response is

used to respond to rapid heating of the heat

roller. Temperature fuse 1 (152°C):

Temperature fuse 2 (216°C):

The heat roller surface temperature is maintained to the optimum level by controlling ON/OFF of the heater lamp according to the temperature data (voltage) from the thermistor. The heat roller surface temperature is controlled to 200°C. Two temperature fuses are provided to protect the heat machine from an abnormally high temperature in the fusing section. The heater lamp is lighted by the AC power.

Temperature fuse 1 is installed to the fusing

cover. It blows off when the ambient tempera-

ture of the fusing cover rises abnormally

(152°C).

Temperature fuse 2 is in close contact with the

heat roller. It blows off when the heat roller tem-

perature rises abnormally high (216°C).

16bit CPU

(IC21)

CNPW

POWER PWBCONTROL PWB

IC32

PWRLY

RTH

CIRCUIT

+5V

HLON-

CNRTH

+5V1

2RTH

RLY-

CNAC

ACN3

1ACL

PC2

+24VMAIN+24VS

CN6

+24VMAIN1

3+24VS

TRA1

RL1

CNHT

Heater lamp

Thermistor

Temperature fuse 1 (152°C)

Temperature fuse 2 (216

Fig. 16

5 – 18

[3] Circuit description of LIU PWB

1. LIU block operation description

1.1. Block diagram

AM-400DE

LINE

EXT.TEL

SURGE

PROTECTION

CIRCUIT

CURRENT

CIRCUIT

LIU

TAXPULSE

FILTER

CIRCUIT

REC

VREF

ACTIVE

TXOUT

RXIN RXIN

CHOKE

DPMUTE

DPON

CML /CML

/EXHS /EXHS

/CI

CONTROL

TXOUT

DPMUTE

DPON DPON

/CI

SPEAKER

+5V

+24VA

VREF

TXA2

TXA1

RIN

IC10

LOGIC IC

MODEM

(FM336PLUS)

DPMUTE

PB_DATA

BZOUT

SPMUTE

VOLC VOLB VOLA

CML

DA-2000

Fig. 17

1.2. Circuit description

The LIU PWB is composed of the following 9 blocks.

1. Surge protection circuit

2. On-hook status detection circuit

3. Dial pulse generation circuit

4. CML relay

5. Matching transformer

6. Hybrid circuit

7. Signal selection

8. CI detection circuit

9. Power supply and bias circuits

1.3. Block description

1.3.1 Surge Protection circuit

This circuit protects the circuit from the surge voltage occurring on the telephone line.

• The VA1 protects the circuit from the 300V or higher line surge voltages.

• The AR1 and AR2 protect the circuit from the 500V or higher vertical surge voltage.

• The ZD5 and ZD7 control the voltage generated on the secondary side of matching transformer to 4.7V.

1.3.2 On-hook status detection circuit

The on-hook status detection circuit detects the status of the push speaker key, and the status of the hook of a telephone externally connected.

• External telephone hook status detection circuit (/EXHS)

This circuit comprises the current sensor IC1, resistors R102 and capacitor C1. When an external telephone is connected and enters the on-hook mode, the output of current sensor IC1 responds. The status signal /EXHS is input to OA-2000 by way of IC10 (Logic IC).

/EXHS LOW: EXT. TEL OFF-HOOK

/EXHS HIGH: EXT. TEL ON-HOOK

1.3.3 Dial pulse generation circuit

The pulse dial generation circuit comprises the photo-coupler PC1 and PC2, polarity guard REC1, and transistor Q3. The dial pulse turns on CML, controls the base current of PC1 and PC2, supplying the DP and DPMUTE signal to the photo-coupler PC1 and PC2, and generates the DP and DPMUTE signal by making the TEL circuit make and brake.

1.3.4 CML relay

The CML relay switches over connection to the matching transformer T1 while the FAX is being used.

1.3.5 Matching transformer

The matching transformer performs electrical insulation from the telephone line and impedance matching for transmitting the FAX signal.

5 – 19

AM-400DE

1.3.6 Hybrid circuit

The hybrid circuit performs 2-wire-to-4-wire conversion using the IC of operational amplifier, transmits the voice transmission signal to the line, and feeds back the voice signal to the voice reception circuit as the side tone.

1.3.7 Signal selection

The following signals are used to control the transmission line of FAX signal. For details, refer to the signal selector matrix table.

[Control signals from output port]

Signal Name Description

Line connecting relay and DP generating relay

CML0

SP MUTE

VOL A VOL B

VOL C (the circuit is located in the

control PWB.)

DPON H: Active choke ON

DPMUTE H: DPMUTE ON

H: Line make L: Line break Speaker tone mute control signal H: Muting (Power down mode) L: Muting cancel (Normal operation)

Speaker volume control signal

VRSEL1 VRSEL2 matrix

VOL A

L H L

VOL B

L L L

VOL C

L L H

RING./

Receiving

High

Middle

Low

Buzzer

High

Low

L: Active choke OFF

L: DPMUTE OFF

DTMF

High

Middle

Low

[Signals for status recognition according to input signals]

Signal Name Function

CI Incoming call (CI) detection signal

H: The handset or external telephone is in the

/EXHS

on-hook state. L: The handset or external telephone in the offhook state.

[Other signals]

Signal Name Function

TXOUT

RXIN

Transmission (DTMF) analog signal output from modem Reception (DTMF, others) analog signal input into modem

No. Signal Name (CNLIU1) No. Signal Name (CNLIU1)

1RXIN7 +5V 2TXOUT8 DG 3 /CI 9 +24VA 4 /EXHS 10 E-RLY 5 DPON 11 DPMUTE 6 CML 12 N.C.

1.3.8 CI detection circuit

The CI detection circuit detects the CI signals of 15.3 Hz to 68 Hz. A CI signal, which is provided to the photo-coupler PC4 through the C14 (0.47 µF), R5 (47K), and ZD4 when the ring signal is inputted from the telephone line.

1.3.9 Power supply and bias circuits

The voltages of +5V and +24VA are supplied from the control PWB unit.

(Example: Fax signal send)

CURRENT

LINE

EXT.TEL

SURGE

PROTECTION

CIRCUIT

LIU

TAXPULSE

FILTER

CIRCUIT

REC

VREF

ACTIVE

CHOKE

TXOUT TXOUT

RXIN RXIN

DPMUTE

DPON

CML CML

/EXHS /EXHS

/CI

CONTROL

DPMUTE

DPON DPON

/CI

SPEAKER

+5V

+24VA

VREF

TXA2

TXA1

RIN

IC10

LOGIC IC

MODEM

(FM336PLUS)

DPMUTE

PB_DATA

BZOUT

SPMUTE

VOLC VOLB VOLA

CML

DA-2000

Fig. 18

5 – 20

[4] Circuit description of power supply PWB

This power supply unit has the function to convert the AC230 V (50/60 Hz) to DC+24V, and provide these output to the equipment. The following explains the function of each block. (See Fig. 19)

1. Filter circuit block

This circuit reduces the outgoing noise through the input lines which is generated in the power supply unit, and prevents the invasion of the noise from the lines. (The excessive surge such as thunder is prevented by the varistor (Z1).)

2. Rectification and smoothing circuit block

This circuit rectifies and smoothes AC input, and provides the DC voltage to the switching circuit block.

3. Switching circuit block

This circuit converts the DC voltage (provided from the rectification and smoothing circuit block) to the high-frequency pulse voltage by FET (Q1)’s switching (on/off repeat), and provides the energy to the transformer (T1). It discharges the energy (charged during the FET ON time) to the secondary side during the FET OFF time through the secondary windings. The output voltages on the secondary side provided by the energy depend on the ratio of the winding turns (primary : secondary) etc..

4. Control circuit block

This circuit block controls the output voltage by transmitting the detected +24V voltage to the primary control circuit through the photocoupler (PC1). In case of the over-current, this circuit reduces providing the energy to the transformer. In case of the over-voltage, this circuit reduces providing the energy to the transformer by letting the power-zener (D104 : connected between the +24V output voltage and GND) into the short mode and letting the over-current protection circuit work.

AM-400DE

5. +24 V SUB output circuit block

This circuit block rectifies and smoothes the high-frequency pulse voltage provided by the transformer, and provides the DC+24V output to the equipment. The output voltage is adjusted by the variable resistor (VR101).

6. +24 V MAIN output circuit block

This circuit block supplies DC+24V output to equipment through a connector (CN2) from +24V provided by the transformer.

7. +5 V output circuit block

This circuit block rectifies and smoothes the high-frequency pulse voltage provided by the transformer and provides about DC+7V output to the regulator IC, and provides the DC+5V output to the equipment.

8. +3.3 V output circuit block

This circuit block supplies +3.3V output that is stable by the chopper circuit which considered the above-mentioned +24V as the input. This system supplies energy to load through L271 during the ON of MOS FET Q271, and is making the energy accumulated L271 return to load by D271 during the OFF. Control of constant voltage is performing +5V output by applying detection and feedback by Integrated circuit regulator IC201. It maintains an output OFF state until Q274 turns off a short circuit protection circuit and it re-switches on a power supply, when output voltage becomes lower than the Zener potential of D274.

9. AC output circuit block

This circuit block supplies AC output from AC input to equipment through the optical-isolator (PC2) and the power-relay (RL1) by signals (+24VS, /HEATER_ON, /PWRLY).

10. Zero cross circuit block

This circuit block rectifies the AC input, and provides the ZC signal to equipment through the photo-coupler (PC3).

Input

(1) Filter circuit block

AC OUT

(9) AC output circuit block

(2) Rectification and smoothing circuit block

(10) Zero-cross circuit block

(3) Switching circuit block

(4) Control circuit block

Power relay

Optical isolator

Transformer

Photo-coupler

Fig. 19

(5) +24V circuit block

(6) +24V Main circuit block

CN2

(7) +5V circuit block

(8) +3.3V circuit block

+24VS

/HEATER_ON

/PWRLY

+24V MAIN

+24V SUB

+5V

+3.3V

GND

/ZC

5 – 21

AM-400DE

11. Waveforms of Power circuit

At standby

BEA1

BL02RN2

100P

Q1 2SK2717

83D1

D101

680

1SS133

YG861S15R

100P

C11

C16

330/35

C101

D301 CB833-04

330/16

C301

C15

0.010.01

HZS30

270K

0.01

R19 10

15K

JUMPER

R13

1.2K

1SS133

220

R6 1K

R11

8.2K

HZS9

33K

1SS133

R17

100

R12

22K

PC1

TLP421F

R10

6.8K

4700P

C10

When the over current protection circuit works

HZS30

270K

BEA1

BL02RN2

100P

Q1 2SK2717

270K

R19 10

15K

R7 220

0.01

R6 1K

JUMPER

R11

8.2K

R13

1.2K

HZS9

33K

D7 1SS133

83D1

D101

YG861S15R

1SS133

PC1

R10

6.8K

TLP421F

R17

1SS133

680

100P

C11

C16

100

R12

22K

4700P

C10

330/35

C101

D301 CB833-04

330/16

C301

C15

0.010.01

5 – 22

[5] Circuit description of CIS unit

1. CIS

CIS is an image sensor which scans the original paper in close contact with the full-size sensor, being a color type with the pixel number of 5,148 dots and the scanning density of 600 dpi. It is composed of sensor, rod lens, LED light source of Red, Green and Blue, Analog memory circuits and so on.

2. Block diagram

CIS UNIT

12 8 1 5 2

9B10

G11R

LED GND

VLED VREF GND

Fig. 20

3. Waveform

3.1. Timing chart 1

1) CLK timing chart

4MHz

CISCLK (CNCIS 7pin)

4673

VDD SP CLK GND

Approx. 3.3V

AM-400DE

3.2. Timing chart 2

1) Reading color document

1.7ms 1.7ms 1.7ms

CIS R LED(*) (Q31-B) CIS G LED(*) (Q30-B)

CIS B LED(*) (Q29-B)

CIS CLK

CIS SP

Fig. 23

(*): The pulse width of CIS R LED/CIS G LED/CIS B LED are

adjusted automatically every scan, so it is a change.

2) Reading monochrome document

1.7ms 1.7ms 1.7ms

CIS R LED(*)

CIS G LED(*)

CIS B LED(*)

CIS CLK

CIS SP

Fig. 24

(*): The pulse width of CIS R LED/CIS G LED/CIS B LED are

adjusted automatically every scan, so it is a change.

4MHz

CISSP (CNCIS 6pin)

Approx. 1~1.5V (White level)

(CNCIS 1pin)

Approx. 0.8V (Offset level) 0V

Fig. 21

2) Data output timing chart

After turning on the SP pulse, the analog output starts from the setting up point of 64 clock pulse.

1 2 52 53 54 64 65 66

CISCLK

CISSP

VREF Output Perlod(52pixels)

1~52pixels

Dummy Output

53~64pixels

Analog Output Period

65~5212pixels

Fig. 22

5 – 23

AM-400DE

[6] Circuit description of operation panel PWB

1. Operational description

1) Operation panel PWB

The operation panel PWB consists of 30 keys.

This PWB includes the eight STRB lines (8bit) and the four SEN lines (4bit). The eight STRB lines are controlled by OA-2000 (CPU) on control PWB and the four SEN lines return signals to control PWB. The LED on this PWB is also controlled by LEDON (1bit signal) from control PWB. The LD (5bit) include signal line for four LCD data lines and RS line.

2) LCD

The LCD uses the one-chip LCD driver IC to display 16 digits x 1 line. The LCD display density is not controlled.

2. Block diagram

SEN[3:0]

KEY MATRIX

STRB[7:0]

LED ON

LCD

LD[4:0]

LED

Fig. 25

5 – 24

[7] Data flow chart

1. COPY

AM-400DE

Control PWB

2. FAX/SEND

3. FAX RECEIVE

PSTN

CIS

TEL LINE

OA-2000

(IC1)

Control PWB

LIU PWB

SDRAM (IC4)

OA-2000 (IC1)

SDRAM (IC4)

Control PWB

FAX

MODEM

(IC18)

LSU I/F controlled by Printer CPU

FAX MODEM (IC18)

OA-2000

(IC1)

SDRAM (IC4)

LSU I/F controlled by Printer CPU

Laser Scan Unit

LIU PWB

Laser Scan

Unit

Printing

TEL LINE

PSTN

Printing

4. PC PRINT

5. PC SCAN

USB

Control PWB

OA-2000

(IC1)

SDRAM

(IC4)

CIS

Control PWB

OA-2000

SDRAM

LSU I/F controlled by Printer CPU

(IC1)

(IC4)

USB

Laser Scan

Unit

Printing

5 – 25

AM-400DE

[8] Troubleshooting

1. Printer error code

PAPER JAM The roller sensor could not detect its home position

after driving the pick up motor for the specified period.

The roller sensor could not become NOT-Active after passing the specified period from picking up paper.

SYSTEM ERROR [P2]

SYSTEM ERROR [P3]

SYSTEM ERROR [P4] ROM or RAM error was detected on the printer

SYSTEM ERROR [P5] High temperature error was detected.

SYSTEM ERROR [P6] Low temperature error was detected.

SYSTEM ERROR [P7]

2. Scanner message

The printer controller detected the optical unit (LSU) error.

The external interrupt signal for optical unit (LSU) or High-voltage control did not become active after passing the specified period.

Thermistor error was detected.

control unit.

Communication error between the main controller and the printer controller was detected.

CHK SCANNER LOCK The scanner unit could not detect change point of

home postion. (ON -> OFF or OFF -> ON)

5 – 26

SHARP AM400DE User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

CHAPTER 1. GENERAL DESCRIPTION

[1] Caution

1. Laser caution

2. Life of consumable

3. Precautions for using Lead-Free Solder

[2] Specifications

1. Print specifications

2. Copy specifications

3. Fax specifications

4. Scanning specifications

5. General specifications

[3] Operation panel

[4] Transmittable documents

1. Document Sizes

5. Automatic Document Feeder Capacity

2. Paper Thickness & Weight

3. Document Types

6. Readable Width & Length

4. Cautions on Transmitting Documents

[5] Installation

1. Site selection

2. Attaching the trays

3. Installing the toner cartridge and drum cartridge

4. Resetting the drum counter

5. Manually resetting the toner counter

6. Loading paper

7. Installing the software

8. Clearing a jammed document

9. Clearing jammed printing paper

10. Troubleshooting

11. Quick setup guide

CHAPTER 2. ADJUSTMENTS

[1] Adjustments

1. General

2. Adjustments of output voltage (FACTORY ONLY)

3. High voltage power check

4. IC protectors replacement

6. Volume setting

[2] Diagnostics and service soft switches

1. Entering the diagnostic mode

2. Diagnostic items description

3. Print diagnosis

4. How to make soft switch setting

5. Soft switch description

SW1 No. 1 ~ No. 4 Recall interval

[3] Troubleshooting

[4] Error code table

1. Communication error code table

CHAPTER 3. MECHANICAL DESCRIPTION

[1] Mechanical description

1. Facsimile block

2. Document feed operation

3. Hopper mechanism

4. Paper path

5. Components layout

6. Switch/Sensor layout

7. Scanner drive block and diagram

8. Print process

9. Timing chart

[2] Disassembly and assembly procedures

CHAPTER 4. DIADRAMS

[1] Block diagram

[2] Wiring diagram

[3] Point-to-point diagram

CHAPTER 5. CIRCUIT DESCRIPTION

[1] Circuit description

1. General description

2. PWB configuration

[2] Circuit description of control PWB

1. General description

2. Description of each block

3. Printer mechanism control block

[3] Circuit description of LIU PWB

1. LIU block operation description

[4] Circuit description of power supply PWB

1. Filter circuit block