Xerox WorkCentre PE16 Service Manual

SERVICE

WorkCentre PE16

Manual

WorkCentre PE16 CONTENTS

1. Precautions

2. Reference Information

3. Specifications

4. Summary of product

5. Disassembly and Reassembly

6. Alignment and Adjustments

7. Troubleshooting

8. Exploded Views and Parts List

9. Block Diagram

10. Connection Diagram

XXX-XXXX-XX

1-1

Precautions

Service Manual

WorkCentre PE16 July 2003

1. Precautions

Product Terms

Caution: A personal injury hazard exists that may not be apparent. For example, a panel may cover the hazardous area.

Danger: A personal injury hazard exists in the area where you see the sign.

Symbols Marked on the Product

Hot surface on or in the printer. Use caution to avoid personal injury.

Use caution (or draws attention to a particular component). Refer to the manual(s) for information.

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Precautions

Service Manual

July 2003 WorkCentre PE16

Laser Safety Statement

The Printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR, chapter 1 Subchapter J for Class 1(1) laser products, and elsewhere, it is certified as a Class I laser product conforming to the requirements of IEC 60825. Class I laser products are not considered to be hazardous. The laser system and printer are designed so there is never any human access to laser radiation above a Class I level during normal operation, user maintenance, or prescribed service condition.

Warning >> Never operate or service the printer with the protective cover removed from Laser/Scanner assembly. The reflected

beam, although invisible, can damage your eyes. When using this product, these basic safety precautions should always be followed to reduce risk of fire, electric shock, and injury to persons.

CAUTION - INVISIBLE LASER RADIATION

WHEN THIS COVER OPEN. DO NOT OPEN THIS COVER.

VORSICHT - UNSICHTBARE LASERSTRAHLUNG,

WENN ABDECKUNG GE FFNET . NICHT DEM STRAHL AUSSETZEN.

ATTENTION - RAYONNEMENT LASER INVISIBLE EN CAS

D OUVERTURE. EXPOSITION DANGEREUSE AU FAISCEAU.

ATTENZIONE - RADIAZIONE LASER INVISIBILE IN CASO DI

APERTURA. EVITARE LESPOSIZIONE AL FASCIO.

PRECAUCION - RADIACION LASER IVISIBLE CUANDO SE ABRE.

EVITAR EXPONERSE AL RAYO.

ADVARSEL. - USYNLIG LASERSTR LNING VED BNING, N R

SIKKERHEDSBRYDERE ER UDE AF FUNKTION. UNDG UDSAETTELSE FOR STR LNING.

ADVARSEL. - USYNLIG LASERSTR LNING N R DEKSEL

PNES. STIRR IKKE INN I STR LEN.

UNNG EKSPONERING FOR STR LEN.

VARNING - OSYNLIG LASERSTR LNING N R DENNA DEL

R PPNAD OCH SP RREN R URKOPPLAD.

BETRAKTA EJ STR LEN. STR LEN R FARLIG.

VARO! - AVATTAESSA JA SUOJALUKITUS OHITETTAESSA

OLET ALTTIINA N KYM TT M LLE LASERS TEILYLLE L KATSO S TEESEEN.

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Precautions

Service Manual

WorkCentre PE16 July 2003

Power Safety Precautions

Power Source

For 110 VAC units, do not apply more than 140 volts RMS between the supply conductors or between either supply conductor and ground. Use only the specified power cord and connector. For 220 VAC units, do not apply more than 264 volts RMS between the supply conductors or between either supply conductor and ground. Use only the specified power cord. This manual assumes that the reader is a qualified service technician.

Plug the three-wire power cord (with grounding prong) into a grounded AC outlet only. If necessary, contact a licensed electrician to install a properly grounded outlet. If the product loses its ground connection, contact with conductive parts may cause an electrical shock.

Disconnecting Power

Turning the power off using the On/Off switch does not completely de-engergize the equipment. You must also disconnect the unit power cord from the AC outlet. Position the power cord so that it is easily accessible during servicing so that you may power down the unit during an emergency.

Disconnect the power plug by pulling the plug, not the cord.

Disconnect the power cord in the following cases:

■ if the power cord or plug is frayed or otherwise damaged,

■ if any liquid or foreign material is spilled into the case,

■ if the equipment is exposed to any excess moisture,

■ if the equipment is dropped or damaged,

■ if you suspect that the product needs servicing or repair,

■ whenever you clean the product.

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Precautions

Service Manual

July 2003 WorkCentre PE16

Electrostatic Discharge (ESD) Precautions

Some semiconductor components, and the respective sub-assemblies that contain them, are vulnerable to damage by Electrostatic discharge (ESD). These components include Integrated Circuits (ICs), Large-Scale Integrated circuits (LSIs), field-effect transistors and other semiconductor chip components. The following techniques will reduce the occurrence of component damage caused by static electricity.

Be sure the power to the chassis or circuit board is off, and observe all other safety precautions.

■ Before handling any semiconductor components assemblies, drain the

electrostatic charge from your body. This can be accomplished by touching an earth ground source or by wearing a wrist strap device connected to an earth ground source. W earing a wrist strap will also prevent accumulation of additional bodily static charges. Be sure to remove the wrist strap before applying power to the unit to avoid potential shock.

■ After removing a static sensitive assembly from its anti-static bag, place it on a

grounded conductive surface. If the anti-static bag is conductiv e, you may ground the bag and use it as a conductive surface.

■ Do not us e freon-propelled chemicals, as they can generate electrical charges that

may damage some devices.

■ Do not remove a static sensitive replacement component or electrical sub-

assembly from its protective package until you are ready to install it.

■ Before removing the protective material from the leads of a replacement device,

touch the protective material to the chassis or circuit assembly into which the device will be installed.

■ Minimize body motions when handling unpackaged replacement devices. Simple

motions such as your clothes brushing together or lifting a foot from a carpeted floor can generate enough static electricity to damage a static sensitive device

■ Handle IC’s and EPROM’s carefully to avoid bending pins.

■ Pay attention to the direction of parts when mounting or inserting them on

Printed Circuit Boards (PCB’s).

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Precautions

Service Manual

WorkCentre PE16 July 2003

Note

Service Safety Summary

General Guidelines

The material presented here is intended as a safety reminder for qualified servi ce personnel. Refer also to the preceding Power Safety Precautions.

Avoid servicing alone: Do not perform internal service or adjustment of this

product unless another person capable of rendering first aid or resuscitation is present.

Use care when servicing with power: Dangerous voltages may exist at several

points in this product. T o av oid personal injury, do not touch exposed connections and components while power is on. Disconnect power before removing the power supply shield or replacing components.

Do not wear jewelry: Remove jewelry prior to servicing. Rings, necklaces and

other metallic objects could come into contact with dangerous voltages and currents.

Power source: This product is intended to operate from a power source that will

not apply more then 264 volts rms for a 220 volt AC outlet or 140 volts rms for a 110 volt AC outlet between the supply conductors or between either supply conductor and ground. A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation.

Warning Labels

Read and obey all posted warning labels. Warning labels are displayed on potentially dangerous printer components. As you service the printer, check to make certain that all warning labels remain in place.

Safety Interlocks

Make sure all covers and the products’s front panel are in place and all interlock switches are functioning correctly after you have completed a unit service call. If you bypass an interlock switch during a service call, use extreme caution when working on or around the product.

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Precautions

Service Manual

July 2003 WorkCentre PE16

Warning

Servicing Electrical Components

Before starting any service procedure, switch off the product power and unplug the power cord from the wall outlet. If you must service the unit with power applied, be aware of the potential for electrical shock.

Turning the power off by using the On/Off switch does not completely de-energize the unit. You must also disconnect the unit's power cord from the AC outlet. Position the power cord so that it is easily accessible during servicing.

Do not touch any electrical component unless you are instructed to do so by a service procedure.

S7300-0

Servicing Mechanical Components

When servicing mechanical components within the unit, manually rotate drive assemblies, rollers, and gears.

Do not try to manually rotate or manually stop the drive assemblies while any unit drive motor is running.

S7300-0

Servicing Fuser Components

This product uses heat to fuse the toner image to media. The Fuser Assembly is VERY HOT. Turn the unit power off and wait at least 5 minutes for the Fuser to cool before you attempt to service the Fuser Assembly or adjacent components.

2-1

Reference Information

Service Manual

WorkCentre PE16 July 2003

2. Reference Information

This chapter provides reference information for this service manual consisting of the tool list, a list of acronyms and abbreviations, and examples of test patterns.

2.1 Tool for Troubleshooting

The following tools are recommended for perfomance of the troubleshooting functions described in this service manual.

DVM(Digital Volt Meter)

Standard: Indicates more than 3 digits.

T weezers

Standard: For general home use, small

type.

Software(Driver) installation CD ROM

Cotton Swab

Standard : For general home use, for

medical service.

Cleaning Equipment IPA (Isopropyl Alcohol) dry cloth or a liquid neutral detergent.

Driver

Standard : "-" type, "+" type (M3 long, M3

short, M2 long, M2 short).

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Reference Information

Service Manual

July 2003 WorkCentre PE16

2.2 Acronyms and Abbreviations

The table below explains the acronyms and abbreviations used in this service manual. These are used throughout the text of this service manual. Please refer to the table.

AC Alternating Current ADF Automatic Document Feeder ASIC Application Specific Integrated Circuit ASSY assembly BIOS Basic Input Output System CCD Charge Coupled Device CMOS Complementary Metal Oxide Semiconductor CN connector CON connector CPU Central Processing Unit dB decibel dbA decibelampere dBM decibel milliwatt DC direct current DCU Diagnostic Control Unit DPI Dot Per Inch DRAM Dynamic Random Access Memory DVM Digital Voltmeter ECP Enhanced Capability Port EEPROM Electronically Erasable Programmable Read

Only Memory EMI Electro Magnetic Interference EP electrophotographic EPP Enhanced Parallel Port F/W firmware GDI graphics device interface GND ground HBP Host Based Printing HDD Hard Disk Drive HV high voltage HVPS High Voltage Power Supply I/F interface I/O Input and Output IC integrated circuit

IDE Intelligent Drive electronics or Imbedded

Drive Electronics

IEEE Institute of Electrical and Electronics

Engineers. Inc IPA Isopropy Alcohol IPM Images Per Minute Kg Kilogram LAN local area network lb pound(s) LBP Laser Beam Printer LCD Liquid Crystal Display LED Light Emitting Diode LSU Laser Scanning Unit MB Megabyte MHz Megahertz NVRAM Nonvolatile random access memory OPC Organic Photo Conductor PBA Printed Board Assembly PCL Printer Command Language , Printer Control

Language PDL Page Discription Language PPM Page Per Minute PTL Pre-Transfer Lamp Q’ty Quantity RAM Random Access Memory ROM Read Only Memory SCF Second Cassette Feeder SMPS Switching Mode Power Supply SPGP Samsung Printer Graphic Processor SPL Samsung Printer Language Spool Simultaneous Peripheral Operation Online SW Switch Sync Synchronous or synchronization USB Universal Serial Bus

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Reference Information

Service Manual

WorkCentre PE16 July 2003

2.3 The Sample Test Patterns

The following test patterns are the standard patterns used to test the product in the factory. Cartridge life span and printing speed are measured with the patterns shown below.

(The picture in the manual is 70% size of the actual A4 size.)

2.3.1 A4 5% Pattern

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Reference Information

Service Manual

July 2003 WorkCentre PE16

2.3.2 A4 2% Pattern

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Reference Information

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WorkCentre PE16 July 2003

2.3.3 A4 IDC 5% Pattern

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Reference Information

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July 2003 WorkCentre PE16

3-1

Specifications

Service Manual

WorkCentre PE16 June 2003

3. Specifications

Specifications are correct at the time of printing. Product specifications are subject to change without notice. See below for product specifications.

3.1 General Specifications

Items Descriptions Remarks

Major Features Copier, Print, Scan, Fax With ADF Size (W*D*H) 474 X 436 X 417 mm w/o Hand Set Weight 13 Kg (28.8 lbs) With Toner Cartridge LCD 16*2 Char I/O Interface USB1.1 & IEEE1284 Power Consumption Printing 350W

Sleep Mode 20W Power Switch Yes Noise Operating 55 dBA

Standby 35 dBA Warm Up Less than 42 seconds Approval Class B Device Memory 16 MB

(Printer : 8M, Fax : 4M,

Scan : 2M, System : 2M)

Internal N/W Connectivity N/A

3.2 Print Specification

Items Descriptions Remarks

Print Speed 17ppm(Letter) 5% Character

16pp,(A4) Pattern Print Method Laser Scanning Unit + Electro Photography Print Language SPL Power Save Yes(5/10/15/30/45min.) Resolution Normal 600 *600dpi

RET No Toner Save Yes Memory 8 MB FPOT Stand by Approx. 12 seconds

Power Save Less than 54 seconds Printable Area 208 X 271 mm (Letter)

202 X 289 mm (A4)

Toner Save Yes

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Specifications

Service Manual

June 2003 WorkCentre PE16

3.3 Scan Specification

Items Descriptions Remarks

Halftone(Gray Scale) 256 level Scan Method Color CCD ITU-T #1 Chart Scan Speed ADF Letter : 25 sec, A4 : 28 sec Text/Mixed Mode : (seconds/scan) Platen Letter : 25 sec, A4 : 28 sec B/W & 300dpi. (USB)

ADF Letter : 55 sec, A4 : 60 sec Photo Mode : Gray Platen Letter : 55 sec, A4 : 60 sec & 300dpi. (USB) ADF Letter : 125 sec, A4 : 130 sec Photo Mode : Color Platen Letter : 125 sec, A4 : 130 sec & 300dpi.(USB)

Resolution Optical 600 dpi

Enhanced 4800 dpi Halftone 256 level Scan Width Width Max.216mm (8.5")

Length(Adf) Max. 356mm (14.0")

Length(Platen) Max. 297mm (11.7") Scan-to E-mail, Image, OCR, FAX, WEB From SmarThru3

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Specifications

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WorkCentre PE16 June 2003

3.4 Copy Specification

Items Descriptions Remarks

Copy Quality Selection Text 600x300dpi or Original Image type Auto 600x300dpi selection Mode Photo 600x600dpi for Platen / 600x300dpi for ADF

Other -

FCOT Platen Power Save Approx. 54 seconds

Stand by Approx. 12 seconds

ADF Power Save Approx. 54 seconds

Stand by Approx. 17 seconds

Copy Speed Text Mixed SDMC 16 cpm/A4, 17 cpm/LTR

MDMC 7 cpm/A4, 7 cpm/LTR

Photo SDMC 16 cpm/A4, 17 cpm/LTR

MDMC 7 cpm/A4, 7 cpm/LTR

Resolution Scan 600*600dpi

Print 600*600dpi Zoom Range 25% to 400 % for platen, 25% to 100% for ADF Multi Copy 1~99 Preset Yes Contrast Control 3 level(by LED) Copy Mode TEXT/MIXED/PHOTO Collation Copy Yes(300dpi only) Auto return to default mode Yes(after 1 minute) N-up copy 2-up, 4-up ADF Only AutoFit Copy Yes Platen Only Clone Yes Platen Only Poster Yes Platen Only

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Specifications

Service Manual

June 2003 WorkCentre PE16

3.5 Telephone Specification

Items Descriptions Remarks

Handset No On hook Dial Yes Search Yes (Phone Book) by using Phone Book Button 1-Touch Dial 10EA(3*4 Numeric Key) Auto dial 100 locations (Using 3*4 buttons) TAD I/F No Tone/Pulse Selectable in Tech Mode Pause Y es Auto Redial Yes Last Number Redial Yes Distinctive Ring No Caller ID No External Phone Interface No Report & List Print out Tx/Rx Journal Yes

Confirmation 2 types available

(with Image TCR, w/o image TCR) Help List No Auto Dial List Yes System Data List List all user setting

Sound Control Ring Volume Yes(Off,Low,MED,HIGH)

Key Volume Yes(On,Off) Speaker Yes(On,Off)

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Specifications

Service Manual

WorkCentre PE16 June 2003

3.6 Fax Specification

Items Descriptions Remarks

Compatibility ITU-T G3 Communication System PSTN/PABX Modem Speed 33.6 Kbps TX Speed Approx. 3 sec Compression MH/MR/MMR/JPEG ECM Y es Resolution Std 203 x 98 dpi

Fine 203 x 196 dpi S.Fine 300 x 300 dpi

Scan Speed(ADF) Std Approx. 5sec/LTR (6 sec/A4)

Fine Approx.7.5sec/L TR (8 sec/A4)

S.Fine Approx.7.5sec/LTR (8 sec/A4) Rx fax duplex print out No Multiple page scan speed Approx. 7 ppm/LTR (7.5 ppm/A4) Receive Mode Fax, TEL Memory Capacity 4 MB (320 pages)

Optional Memory No

Max locations to 99 locations

store to 1 Group Dial

Fax Forward Yes (On/Off)

Broadcasting Up to 99 locations

Forced Memory TX

No Cover page No Delayed fax Yes Memory RX Yes

Functions Voice Request No

TTI Y es RTI Yes Polling No Earth/Recall No Auto Reduction Yes RDC No Junk Fax barrier Yes Security Mode Yes Battery Backup Yes (Min. 15 minutes) Not Battery

(Using Super Cap.)

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Specifications

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June 2003 WorkCentre PE16

3.7 Paper Handling

3.8 Software

Items Descriptions Remarks

Capacity Main Tray 250sheets (20lbs) Bypass Single Sheet

Optional Cassette No Output Capacity 150Sheets/20lb, 1Sheet/Face up Output Control Face down/Face up Paper Size Main Tray

CST : A4,Letter,Legal, Folio,Executive,B5

Bypass Bypass : Envelope6 3/4,7 3/4, #9, #10,

DL,C5,B5

Paper Weight Main Tray 60 ~ 90 GSM / 16 ~ 24 lb.

Bypass 60 ~ 150 GSM / 16 ~ 40 lb.

Paper Path Standard output Bottom to Middle Front (FIFO)

Straight Through Face up, Single Sheet

Paper Size Max 216 x 356mm(8.5"x14")

Min 76 x 127mm(3"x5")

Output Stacker Paper Extension

Document Fixed

Input Guide Bypass Tray Adjustable

Main Tray Universal Document Adjustable

ADF Paper Weight 60 ~ 105 GSM / 12.5~28lb

Capacity 30 sheets(80 GSM / 20lb) Document Size Width 148mm - 216mm(5.8" - 8.5") Document Size Length 127 mm - 356mm(5" - 14.0")

Items Descriptions Remarks

Compatibility DOS No

Win 3.x No Win 95 Yes Win 98&WinME Yes Win NT 4.0 Yes Win 2000 Yes Win XP Yes WHQL for Printer Only Mac Yes Mac Printer Only Linux No

Driver Printer SPL(GDI)

TWAIN Yes PC-FAX No PC Fax is only avail-

able through PC Modem

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Specifications

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WorkCentre PE16 June 2003

3.9 Consumables

Items Descriptions Remarks

Type Single Cartridge How to install Front door open and front loading Toner Life Initial 2,000 sheets IDC 5%

running 3,500 sheets character printing Level Sensor No Toner Count Yes

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Specifications

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June 2003 WorkCentre PE16

4-1

WorkCentre PE16 July 2003

Summary of product

Service Manual

4. Summary of Product

This chapter describes the functions and operating principals of the main components.

4.1 Printer Components

4.1.1 Front View

Document Guides

Document Input Tray

Document Output Tray

Control Panel

Paper Tray

Front Cover

Paper Level Indicator

Bypass Tray

Paper Output Extension

Automatic Document Feeder

Document Cover

Document Glass

4-2

Summary of Product

WorkCentre PE16July 2003

Service Manual

4.1.2 Rear View

AC Power Cord

Connector

Parallel

Connector

Power Switch

USB Connector

Telephone Line Connector

Rear Output Slot

(Face up)

Rear Cover

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WorkCentre PE16 July 2003

Summary of product

Service Manual

4 653

4.1.3 Control Panel

C O

P Y

Adjusts the brightness of the documents for the current copy job.

Selects the document type for the current copy job.

Allows you to use special copy features, such as Clone, Collation, Auto fit, 2-side, N-up (multiple pages on a sheet) and Poster copying.

Makes a copy smaller or larger than the original.

Selects the number of copies.

Displays the current status and prompts during an operation.

Turns on when the toner cartridge is empty.

Scrolls through the options available for the selected menu item.

Confirms the selection on the display.

Enters Menu Mode and scrolls through the menus available.

Sends you back to the upper menu level.

Stops an operation at any time. In Standby Mode, clears/cancels the copy options, such as the contrast, the image setting, the copy size and the number of copies.

Starts a job.

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Summary of Product

WorkCentre PE16July 2003

Service Manual

F A X

S A V E

Dials a number or enters alphanumeric characters.

Adjusts the resolution of the documents for the current fax job.

Allows you to send a fax to multiple destinations.

Allows you to store frequently-dialed fax numbers using a one or two-digit speed dial or group number for automatic dialing and edits the stored numbers.

Allows you to print a Phonebook list. Redials the last number in Standby Mode or inserts a pause into a fax number in edit mode.

Engages the telephone line.

Allows you to save on toner by using less toner to print a document.

Allows you to save on call costs by sending a fax at a preset toll-saving time. Using this feature, you can take advantage of lower long distance rates at night, for example.

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WorkCentre PE16 July 2003

Summary of product

Service Manual

4.2 System Layout

4.2.1 Feeding section

Paper for the machine is supplied from a universal cassette or from the manual feeder, for single sheet feeding. The cassette contains a friction pad, to separate the paper and prevent multi-sheet feeding.

There is a sensor to detect the presence of paper in the cassette.

- Feeding Method: Universal Cassette Type

- Feeding Standard: Center Loading

- Feeding Capacity: Cassette-250 sheets (80g/m2, 20lb paper standard) Manual 1 sheet (Paper, OHP, Envelope, etc.)

- Paper detecting sensor: Photo sensor

- Paper size sensor: None

4.2.2 Transfer Ass’y

The Transfer Ass'y consists of the PTL (pre-transfer lamp), OPC Drum, and the Transfer Roller. The PTL lights the surface of the OPC Drum, reducing the charge on the drum surface to improve transfer efficiency.

The Transfer Roller transfers toner from the OPC Drum surface to the paper.

- Life span: 60,000 sheets (in 15~30°C)

4.2.3 Drive Ass’y

The Drive Ass'y is a motor driven gear unit, that drives the paper feed, the Fuser, and the distributing unit.

4.2.4 Fuser

The Fuser consists of the Heat Lamp, Heat Roller, Pressure Roller, Thermistor, and Thermostat. It melts

the toner to the paper using pressure and heat to complete the printing job.

4.2.4.1 Thermostat

The thermostat is a temperature-sensing device, that cuts off the power to prevent overheating or a fire when the heat lamp or the heat coil of the heat roller becomes too hot.

4.2.4.2 Thermistor

The Thermistor detects the surface temperature of the heat roller. The information from the Thermistor provides the on/off control that maintains the selected temperature of the heat roller.

4.2.4.3 Heat Roller

The heat roller transfers the heat from the heat lamp coil to the surface of the paper. The melted toner cannot stick to the Teflon coated heat roller.

4.2.4.4 Pressure roller

The pressure roller mounted right under the heat roller is made of the silicon resin. The toner fuses onto the paper when it passes between the heat roller and the pressure roller.

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Summary of Product

WorkCentre PE16July 2003

Service Manual

4.2.4.5 Safety Relevant Facts

• Protecting device when overheating

- 1st protecting device: H/W cuts off when an overheat condition is detected.

- 2nd protecting device: S/W cuts off when an overheat condition is detected.

- 3rd protecting device: Thermostat cuts off the power.

• Safety device

- The power to the fuser is cut off when the front cover is open.

- The overheating safety device for customer safety.

- Maintains the surface temperature of the Fuser Cover below 80°C. A customer caution label is attached on the inside of the rear cover.

4.2.5 Scanner

Uses a photosensitive device to read an image. The Scanner consists of a CCD module, Connection board, ADF board, AFE (Analog Front End), Image Processor (located in the CPU), platen glass, and ADF.

• CCD Module Specification

1.Resolution: 600dpi/A4

2.Maximum scan wide: 8.5”

3.Color filter: Red, Green, Blue

4.Output channel: 3 channels (R, G, B)

5.Effective pixel: 5,400 pixel *3

6.Voltage: 24V & 5V

7.Pre-heating time: Maximum 30 seconds (70% of light reach to it)

8.The life span of a lamp: 30,000 hours (25oC)

• Image Processor Specification

1.Operating frequency: 66 MHz

2.Image sensor interface: 200/300/600 dpi CIS or CCD

3.Line time: Copy, FAX, Binary (Lineart, Halftone) PC Scan: 1.5ms/Line Color PC Scan (Grey, 256

Color, True Color): 4.5ms/Line

4.A/D conversion: 10bit conversion

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WorkCentre PE16 July 2003

Summary of product

Service Manual

4.2.6 LSU (Laser Scanner Unit)

The LSU is controlled by the video controller. It converts the received video data to pulsed laser light that is scanned onto the surface the OPC drum using a rotating polygon mirror. This creates the latent image on the drum surface. The OPC drum rotates at the same speed as the paper is fed. When the edge of the polygon mirror is detected, the LSU generates the /HSYNC signal. The CPU syncs the left margin of the image to this signal. After detecting the /HSYNC signal, the image data is sent to the LSU to begin transfer of the image left margin to the paper.

Each surface of the polygon mirror provides one line for scanning.

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Summary of Product

WorkCentre PE16July 2003

Service Manual

4.2.7 Toner Cartridge

The xerographic process creates a visual image from the latent image. The Toner Cartridge contains the OPC Drum, developer, and toner components in one unit. The OPC unit contains the OPC drum and charging roller.

The developer unit contains toner, toner cartridge, supply roller, developing roller, and blade (Doctor blade).

- Developing Method: Non magnetic 1 element contacting method

- Toner: Non magnetic 1 element shatter type toner

- The life span of toner: 3,000 sheets (IDC Pattern/A4 standard)

- Toner remaining amount detecting sensor: None

- OPC Cleaning: Collect the toner by using electric charge + FILM OPC

- Management of excess toner: Collect the toner by using electric charge (Cleanerless Type- No excess toner)

- OPC Drum protecting Shutter: None

- Classifying device for toner cartridge: ID is classified by interruption of the frame channel.

+ 108 hidden pages