Canon MP500 Service Manual

PIXMA MP500

SER VICE MANUAL

Canon

Copyright 2005, Canon U.S.A. This technical publication is the proprietary and confidential information of Canon U.S.A. which shall be retained for reference purposes by Authorized Service Facilities of Canon U.S.A. Its unauthorized use is prohibited.

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This manual could include technical inaccuracies or typographical errors due to improvements or changes made to the product. When changes are made to the contents of the manual, Canon will release technical information when necessary. When substantial changes are made to the contents of the manual, Canon will issue a revised edition.

The following do not apply if they do not conform to the laws and regulations of the region where the manual or product is used:

Trademarks

Product and brand names appearing in this manual are registered trademarks or trademarks of the respective holders.

All rights reserved. No parts of this manual may be reproduced in any form or by any means or translated into another language without the written permission of Canon Inc., except in the case of internal business use.

󲩷

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I. MANUAL OUTLINE

This manual consists of the following three parts to provide information necessary to service the PIXMA MP500:

Part 1: Maintenance Information on maintenance and troubleshooting of the PIXMA MP500

Part 2: Technical Reference

ew technology and technical information such as FAQ's (Frequently Asked Questions) of the PIXMA MP500

Part 3: Appendix Block diagrams and pin layouts of the PIXMA MP500

Reference: This manual does not provide sufficient information for disassembly and reassembly procedures. Refer to the graphics in the separate Parts Catalog.

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II. TABLE OF CONTENTS

Part 1: MAINTENANCE

1. MAINTENANCE

-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement Consumables by

Service Engineer

-2. Customer Maintenance

-3. Product Life

-4. Special Tools

-5. Serial Number Location

2. LIST OF ERROR DISPLAY / INDICATION

-1. Operator Call Errors

-2. Service Call Errors

-3. Other Error Messages

-4. Warnings

-5. Troubleshooting by Symptom

3. REPAIR

-1. Notes on Service Part Replacement (and Disassembling / Reassembling)

-2. Special Notes on Repair Servicing

-3. Adjustment / Settings

(1) Paper feed motor adjustment (2) Grease application (3) Waste ink counter setting (4) User mode (5) Service mode

Service test print EEPROM initialization Waste ink counter reset Destination settings Waste ink amount setting Button and LCD test

-4. Verification Items

(1) Service test print (2) EEPROM information print

4. MACHINE TRANSPORTATION

Part 2: TECHNICAL REFERENCE

1. NEW TECHNOLOGIES

2. CLEANING MODE AND AMOUNT OF INK PURGED

3. PRINT MODE . FAQ (Problems Specific to the MP500 and Corrective Actions)

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Part 3: APPENDIX

1. BLOCK DIAGRAM

2. CONNECTOR LOCATION AND PIN LAYOUT

-1. Logic Board Ass'y

-2. Print Beam Board / PictBridge Board

2 2

-3. Card Slot Board (Card Slot Unit)

-4. Operation Panel Board

-5. Carriage Board (Print Head Connector)

3. PIXMA MP500 SPECIFICATIONS

4. PRINT MEDIA SPECIFICATIONS

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art 1

MAINTENANCE

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1. MAINTENANCE

1-1

1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and

Replacement Consumables by Service Engineer

(1) Adjustment

Adjustment Timing Purpose Tool

Destination settings (EEPROM settings)

Waste ink counter resetting (EEPROM settings)

Waste ink amount setting

Paper feed motor

󲩷

position adjustment

CD / DVD detection sensor light volume

correction

At logic board ass'y replacement

- At logic board replacement

- At waste ink absorber replacement

At logic board replacement

At paper feed motor replacement

- At logic board replacement

- At carriage unit replacement

To set the destination.

To reset the waste ink counter. None.

To set the waste ink amount to the waste ink counter.

To adjust the belt tension. (Position the paper feed motor so that the belt is stretched tight.)

To correct the light volume for the CD / DVD detection sensor.

None. Perform in the

service mode.

Perform in the service mode.

None. Perform in the

service mode. None. 5 min.

None. Perform in the

service mode.

Approx.

time

1 min.

2 min.

Grease application - At carriage unit

󲩷

New Ink system

function check

LCD language

󲩷

settings

Document pressure

sheet position adjustment

Note: DO NOT loosen the red screws at both ends of the carriage shaft, securing the print head position, as they are

*1: Only for CD / DVD printing supported regions.󲩷

not re-adjustable. The red screws securing the paper feed motor may be loosened only at replacement of the paper feed motor

unit.

replacement

- At PR shaft ass'y replacement

- At CL base or CL gear replacement

- At logic board replacement

- At platen unit replacement

- At carriage unit replacement

At logic board replacement To set the language to be

- At document cover unit replacement

- To maintain sliding properties of the carriage shaft and the lift cam shaft.

- To protect the machine's sliding portions (gears).

To maintain detection functionality for presence of the ink tanks and each ink tank position.

displayed on the LCD.

󲩷

FLOIL KG-

107A

None. Perform in the

service mode.

None. Perform in the

user mode. None. 2 min.

1 min.

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(2) Periodic maintenance

1-2

No periodic maintenance is necessary.

(3) Periodic replacement parts

There are no parts in this machine that require periodic replacement by a service engineer.

(4) Replacement consumables

There are no consumables that require replacement by a service engineer.

1-2. Customer Maintenance

Adjustment Timing Purpose Tool

Print head alignment

Print head cleaning

Print head deep cleaning

Ink tank replacement

Paper feed roller cleaning

CD / DVD print position

adjustment Bottom plate

cleaning

ASF sub- roller cleaning

Scanning area cleaning

At print head replacement.

When print quality is not satisfying.

When print quality is not satisfying, and not improved by print head cleaning.

When an ink tank becomes empty. ("No ink error" displayed on the monitor, or short flashing of an ink tank LED)

When paper does not feed properly.

At CD / DVD printing, when necessary.

When the back side of the paper is smeared.

When the paper fed from the ASF is smeared due to ink mist

attached to the ASF sub-rollers.

When the platen glass is dirty. Clean the platen glass. None. 1 min.

To ensure accurate dot placement.

To improve nozzle conditions. - Machine buttons

----- ----- 2 min.

- Machine buttons

- Computer (automatic settings via the MP driver)

- Computer (settings via the MP driver)

To clean the paper feed rollers.

To correct CD / DVD print position.

To clean the platen ribs.

To clean the ASF sub-rollers.

Machine buttons

Computer (application software)

- Plain paper

- Computer (settings via the MP driver)

- Plain paper

- Machine buttons (paper feed roller cleaning)

[See Part 2, 4. FAQ, How to make and set the ASF subroller cleaning

sheet, for details]

Approx.

time

3 min.

1 min.

2 min.

5 min.

1 min.

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1-3. Product Life

1-3

(1) Machine

Specified print volume (I) or the years of use (II), whichever comes first. (I) Print volume: 12,000 pages

(II) Years of use: 5 years of use

(2) Print head

Print volume: 12,000 pages

Black 1,500 character pattern 5,400 pages Color A4, 7.5% duty per color pattern 3,600 pages

A4, photo, borderless printing 300 pages 4 x 6, photo, borderless printing 2,200 pages Postcard, photo, borderless printing 500 pages

Black 1,500 character pattern 5,400 pages Color A4, 7.5% duty per color pattern 3,600 pages

A4, photo, borderless printing 300 pages 4 x 6, photo, borderless printing 2,200 pages Postcard, photo, borderless printing 500 pages

(3) Ink tank (target value)

Pattern Ink tank used Print yield Black text PGI-5BK Approx. 820 pages Color chart

Photo chart

󲩷 󲩷

Black text: When printing the Canon standard pattern (1,500 characters per page) on A4 size plain paper, with the

default settings in the Windows XP driver, using Word 2003.

Color chart: When printing the ISO/JIS-SCID N5 pattern on A4 size plain paper in bordered printing, with the

default settings in the Windows XP driver, using Photoshop 7.0.

Photo chart: When printing the Canon standard pattern on 4" x 6" Photo Paper Plus Glossy in borderless printing,

with the default settings in the Windows XP driver, using Windows XP Photo Printing Wizard.

The print yield in the table above is an average value measured in continuous printing, using the ink tank immediately after it is unsealed, until the ink is out. Ink yield may vary depending on texts and photos printed, application software, print mode, and type of paper used.

When the machine is turned on and while printing, each ink may be used for protecting the print head and maintaining print quality.

CLI-8BK Approx. 2,000 pages CLI-8Y Approx. 600 pages CLI-8M Approx. 540 pages CLI-8C Approx. 850 pages CLI-8BK Approx. 1,650 pages CLI-8Y Approx. 310 pages CLI-8M Approx. 290 pages CLI-8C Approx. 430 pages

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1-4. Special Tools

1-4

Name Tool No. Application Remarks

FLOIL KG107A

QY9-0057000

To be applied to the sliding portions of the carriage shaft and lift cam shaft.

In common with the S500 and S520.

1-5. Serial Number Location

On the carriage flexible cable holder (visible on the right of the carriage after the machine is turned on, the scanning unit is opened, and the carriage moves to the center).

To the table of contents To the top

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2. LIST OF ERROR DISPLAY / INDICATION

1-5

Errors and warnings are displayed by the following ways:

1) Operator call errors are indicated by the Alarm LED lit in orange, and the error and its solution are displayed on the LCD in text and by icon.

2) In printing from a computer, warnings are displayed on the MP driver Status Monitor.

3) Error codes are printed in the "operator call/service call error record" area in EEPROM information print.

- ON/OFF button:

The machine is turned off.

- OK button:

After an error is cleared, the machine recovers. With some operator call errors, the error is automatically cleared when the error cause is corrected, so the OK button is not necessary to be pressed.

- Stop/Reset button:

The job at an operator call error is cancelled to clear the error.

2-1. Operator Call Errors (by Alarm LED Blinking in Orange)

Error

[Error code]

No paper (ASF). [1000]

No CD / DVD tray.

[1001] No paper in the front

paper feed cassette. [1003]

No CD or DVD. [1002]

Paper jam. [1300]

Paper jam in the rear guide. [1303]

Paper jam in the under guide. [1304]

Front door close error. [1250]

No ink. [1600]

Ink tank not installed.

Message on the LCD

Auto sheet feeder. There is no paper. Load paper

and press [OK]. There is no CD-R tray. Attach

the tray and press [OK]. Cassette.

There is no paper. Load paper and press [OK].

Printable disc is not set. Correctly place a disc in the CD-R tray and

press [OK].

The paper is jammed. Clear the paper and press [OK].

Paper output tray is closed. Press the lower left button to open the

paper output tray.

Ink has run out. Replace the ink tank and close the cover.

Set the paper in the ASF, and press the OK button.

Set the CD / DVD tray, and press the OK button.

Set the paper in the cassette, and press the OK button.

Set a CD or DVD in the CD / DVD tray (which is ejected at error occurrence), and inset the CD / DVD tray in the proper position. Then, press the OK button.

Remove the jammed paper, and press the OK button.

Open the paper output tray. The error is indicated if

Replace the empty ink tank(s), or press the OK button.

Install the applicable ink tank(s)

Solution Remarks

󲩷

Error in paper feeding from the ASF.

Error in the duplex printing unit.

Error in paper feeding from the cassette.

the paper output tray is closed at start of a print job, or while a print job is being performed.

Pressing the OK button will clear the error without ink tank replacement, however, ink may run out during printing.

󲩷

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[1660]

1-6

The print head is not installed [1401], or it is not properly installed (print head temperature sensor error [1403] / faulty EEPROM data of

the print head [1405]

Print head is not installed. Install the print head.

The type of print head is incorrect. Install the correct print

head.

properly, and confirm that the LED's of all the ink tanks light red.

Install the print head properly.

󲩷

Inner cover open.

[1841] Inner cover open during

printing on paper. [1846]

Inner cover open during printing on paper (print

continuable). [1851] Inner cover open during

printing on paper (print NOT continuable).

[1856]

Inner cover closed during CD / DVD printing (print

continuable). [1850]

Inner cover closed during CD / DVD printing (print NOT

continuable). [1855]

Multiple ink tanks of the same color installed.

[1681] Ink tank in a wrong

position. [1680] Warning: The waste

ink absorber becomes almost full. [1700]

The connected digital camera or digital video camera does not support Camera Direct

Printing. [2001] Automatic duplex

printing cannot be performed. [1310]

Inner cover is open. Close the inner cover and press [OK].

Open the inner cover, place the CD-R tray and press [OK].

(Applicable ink tank icon) More than one ink tank of the

following color is installed. Some ink cartridges are not

installed in place. The waste ink absorber is almost

full. Press [OK] to continue but early replacement recommended.

<See manual> Incompatible device detected.

Remove the device.

This paper is not compatible with duplex printing. Remove the

paper and press [OK].

Close the inner cover, and press the OK button.

Close the inner cover, and press the OK button to clear the error. The paper being printed at error occurrence will be ejected without printing the remaining data for the ejected paper, then printing will resume from the next page.

Open the inner cover which functions as the CD / DVD tray feeder, set the CD / DVD tray in the feeder, and press the OK button.

Open the inner cover, and press the OK button to clear the error. The CD or DVD being printed at error occurrence will be ejected without printing the remaining data for the ejected CD or DVD, then the next print job will be

done. Replace the wrong ink tank(s)

with the correct one(s).

Install the ink tank(s) in the correct position.

Press the OK button. The service call error,

Remove the cable between the camera and the machine.

Press the OK button to eject the paper being used at error occurrence. Printing will resume from on the front side of the next page.

󲩷

indicating the waste ink absorber is full, is likely to occur soon.

󲩷

Data which was to be printed on the back side of paper at error occurrence is skipped (not printed).

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Failed in automatic

1-7

print head alignment. [2500]

The remaining ink amount unknown.

[1683]

Ink tank not recognized. [1684]

Ink tank not recognized. [1410 to 1419]

Scanning unit (printer cover) open. [1200]

Auto head align has failed. Press [OK] and repeat operation. <See

manual>

(Applicable ink tank icon) The remaining level of the

following ink cannot be correctly detected.

(Applicable ink tank icon) The following ink tank cannot be

recognized.

󲩷

Cover is open. Close the cover.

Press the OK button.

- If paper is being fed at error occurrence, the error is indicated after the paper is ejected.

- If the error occurs, the print head alignment values are not changed.

- After exit from the error by the OK button, the automatic print head alignment will not be redone.

An ink tank which has once been empty is installed. Replace the applicable ink tank with a new one.

A non-supported ink tank is installed (the ink tank LED is turned off). Install the supported ink tanks.

An error occurred in an ink tank (the ink tank LED is turned off). Replace the ink tank(s).

Close the scanning unit (printer cover).

The error is indicated when the pattern is not printed due to no ink or non-ejection of ink, or when the sensor's AD value is incorrect.

Printing with a onceempty or refilled ink tank can damage the print head.

If printing is continued without replacing the refilled ink tank, press the OK button for 5 sec. or longer to record the use of a refilled ink tank.

Note: After the above

operation, the function to detect the remaining ink amount is disabled.

󲩷

*1: Only for models supporting CD / DVD printing *2: Only for models not supporting CD / DVD printing

2-2. Service Call Errors (by Cyclic Blinking in Orange (Alarm LED) and Green

(ON/OFF button), or Alarm LED Lit in Orange)

Service call errors are indicated by the number of cycles the Alarm LED and ON/OFF button blink, and the corresponding error code is displayed on the LCD.

Cycles of

blinking in

orange (Alarm

LED) and

green

(ON/OFF

button)

2 times Carriage error [5100] An error occurred in the carriage encoder

Error [Error code] Conditions

signal.

Solution

(Replacement of listed parts, which are likely to be faulty)

- Carriage unit (QM2-2922)

- Timing slit strip film (QC1-6394)

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3 times

1-8

4 times Purge cam sensor error

5 times ASF (cam) sensor error

6 times Internal temperature error

7 times Waste ink absorber full

8 times Print head temperature rise

9 times EEPROM error [6800] A problem occurred in writing to the

11 times Carriage lift mechanism

12 times AP position error [6A00] An error occurred in the AP motor during

13 times Paper feed position error

14 times Paper feed cam sensor error

15 times USB Host VBUS

16 times Valve sensor error [6C00] An error occurred in the valve sensor during

Line feed error [6000]

[5C00]

[5700]

[5400]

[5B00]

error [5200]

error [5110]

[6B00]

[6B10]

overcurrent [9000]

An error occurred in the line feed signal. - Timing sensor unit (QM2-

An error occurred in the purge unit. - Purge unit (QM2-2925)

This error takes place when feeding paper from the ASF after an error occurred in the

ASF cam sensor. The internal temperature is not proper. - Logic board ass'y (QM2-

The waste ink absorber is full.

The print head temperature exceeded the specified value.

EEPROM. The carriage did not move up or down

properly.

purging operation.

An error occurred in the paper feed motor. - Sheet feed unit (QM2-

An error occurred in the paper feed cam sensor during paper feeding from the front paper feed cassette.

This error is also indicated when the waste ink counter is 60% or more, and a paper jam occurs in the under guide.

The USB Host VBUS is overloaded. - Logic board ass'y (QM2-

cleaning.

- Logic board ass'y (QM2-

- Carriage motor (QK1-

- Timing slit disk film

- Feed roller ass'y (QL2-

- Platen unit (QM2-2923)

- Logic board ass'y (QM2-

- Paper feed motor (QK1-

- Logic board ass'y (QM2-

- Sheet feed unit (QM2-

- Ink absorber kit (QY5-

- Print head (QY6-0059)

- Logic board ass'y (QM2-

- PR lift shaft ass'y (QL2-

- Sheet feed unit (QM2-

- Logic board ass'y (QM2-

- Carriage lift sensor unit

- Sheet feed unit (QM2-

- Logic board ass'y (QM2-

- Purge unit (QM2-2925)

- Logic board ass'y (QM2-

- Sheet feed unit (QM2-

- Logic board ass'y (QM2-

3078)

1500)

2683)

(QC1-6229)

0925)

3078)

1502)

3078)

2916)

3078)

0146)

3078)

0936)

2916)

3078)

(QM2-3092)

2916)

3078)

2916)

3078)

2916)

3078)

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- Purge unit (QM2-2925)

1-9

17 times Motor driver error [6D00] The AD conversion value indicating the motor

driver temperature is not proper.

19 times Ink tank position sensor

error [6502]

20 times Other hardware error [6500] The PCI bus error is detected by the ASIC. - Logic board ass'y (QM2-

22 times Scanner error

Continuous alternate blinking

Alarm LED lit

*1: Before replacement of the logic board ass'y, check the waste ink amount (by service test print or EEPROM

ROM error

RAM error

information print). If the waste ink amount is 7% or more, also replace the ink absorber kit (QY5-0146) when replacing the logic board ass'y.

[See Section 3

-3. Adjustment / Settings, (5) Service mode, for details.]

None of the ink tank position is detected.

The scanner unit cannot detect the home position, or the scanner unit warming-up is not done properly at power-on.

On the LCD, "Scanner is not operating correctly." is displayed.

The check sum value is incorrect in the ROM check at hard-power-on.

The RAM error occurred in the RAM check at hard-power-on.

- Logic board ass'y (QM2-

- Platen unit (QM2-2923)

- Logic board ass'y (QM2-

- Scanner unit (QM2-2905)

- Logic board ass'y (QM2-

3078)

2-3. Other Error Messages

Message on the LCD Cause Solution

Printing is unavailable. Data received via wireless

communication is not photo data.

The selected paper cannot be fed from cassette. Change the paper source.

Cannot specify the followings together. Change one of the settings.

Device memory is full. Cannot continue process. Reduce the number of photos to print.

Failed to scan. Either document cannot be scanned or is not placed on the platen glass.

Press <>. (<>: Color button icon) Press <>. (<>: Black button icon) There are no photos in memory

card. The value exceeds the number of

copies you can print.

The received image data was invalid in infrared communication from a mobile phone.

The paper type being used is not supported for paper feeding from the cassette. (Business Card, Credit Card size paper and Photo Stickers are not supported.)

Settings made conflict each other. The error message is displayed for a

The memory is not sufficient to do the print job.

The machine failed in scanning the document for Fit-to-page copy.

The Black button was pressed, but it is invalid.

The Color button was pressed, but it is invalid.

Supported image files are not in the memory card.

During selecting images or specifying the number of copies, the total print quantity exceeds the prescribed value of

The error message is displayed for a while, then the LCD automatically returns to the initial screen you see when the COPY, SCAN, or MEMORY CARD button is pressed.

Change the paper source to the ASF.

while, then the LCD automatically returns to the display before the error occurrence.

Reduce the amount of data to be printed, or print from a computer.

Press the Ok button to clear the error. The LCD automatically returns to the

display before the error occurrence. A temporary error. Press the Color

button to continue the operation. A temporary error. Press the Black

button to continue the operation. The error message is displayed for a

while, then disappears. After the error message is displayed for a

while, the last operation before the error is cancelled, and the total print quantity

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999. returns to the value before the error.

1-10

Memory card is not set. Insert the card after checking the direction.

DPOF information is not saved in the memory card.

The number of copies to print is not set. Input the number of copies.

This layout is available only for A4 or 8.5"x11"(LTR).

Settings cannot be changed when printing stickers.

Change the setting after removing the card.

The card is currently writeenabled. Set to read-only mode before performing operation.

The paper size is not correct. Check the page size you have set.

Failed to scan Photo Index Sheet. Check the orientation, position and marking. <See manual>

Feed switch cannot be changed. The paper source cannot be changed

No memory card is inserted in the slot. Set a memory card.

DPOF print was selected in the menu, but no DPOF files are contained in the memory card.

Multi-photo print was attempted without specifying the print quantity (with the print quantity left "0" (zero)).

In Layout print, "Mixed 1, 2, or 3" which is available only with A4 or LTR size

aper is selected, but the paper size is not

set to A4 or LTR. With Sticker print selected, the Settings

button was pressed.

With a memory card inserted in the slot, change of the Read/Write attribute was attempted.

With the memory card set to the Writeenabled mode, Card Direct printing operation was attempted from the menu.

Non-supported size of paper for Camera Direct printing is selected.

The machine failed in scanning the Photo Index Sheet.

from the cassette to the ASF, or vice versa.

The error message is displayed for a while, then the LCD automatically returns to the display before the error occurrence.

The error message is displayed for a while, then disappears. Specify the print quantity.

The error message is displayed for a while, then the LCD automatically returns to the display before the error occurrence.

Cancel printing on the digital camera.

Press the OK button to clear the error. The LCD automatically returns to the display before the error occurrence.

Turn off the machine, and turn it on again.

2-4. Warnings

Warning Message on the LCD Solution

Low ink The following ink is low. Continue?

Print head temperature rise

Protection of excess If the print head temperature does not fall, the If the print head temperature exceeds the

(Icon of each ink tank) Yes No

In Camera Direct Printing, only "Yes" can be selected.

If the print head temperature does not fall, the error code "5200" is displayed, indicating the print head temperature rise error.

- Select => Printing starts, and it is indicated on the

- Select No, and press the OK button. => Printing is cancelled, and the LCD

When the print head temperature falls, the error is automatically cleared.

Note: If the print head temperature exceeds the

specified limit when the scanning unit (printer cover) is opened, the carriage does not move to the ink tank replacement position.

, and press the OK button.

Yes

LCD.

returns to the display immediately before printing was attempted.

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rise of the print head

1-11

temperature Restrictions on paper The current paper cannot be set. Change the

Recommendation of the print head alignment (only on arrival of the machine)

USB cable not connected

Cancellation of image select information

error code "5200" is displayed, indicating the print head temperature rise error.

size and type. Head alignment required. Load paper and press

[OK]. Yes No

Connect USB cable and turn on the PC.

Reset the selected photo information? Yes No

specified limit, an intermission is inserted during printing.

Re-select the supported paper type and size.

- Select => Automatic print head alignment is done.

- Select No, and press the OK button. => The procedures on arrival of the

machine are finished.

Connect the USB cable.

When one or more images are selected in Multi-photo print or Layout print, and if a user tries to display the menu or sub-menu, the message is displayed.

- Select => The image selection is cancelled, and the

menu or sub-menu is displayed.

- Select No, and press the OK button. => The LCD returns to the display

immediately before the message was displayed.

, and press the OK button.

Yes

, and press the OK button.

Yes

2-5. Troubleshooting by Symptom

Symptom Solution

Faulty operation The power does not turn on.

The power turns off immediately after power-on.

A strange noise occurs.

Nothing is displayed on the LCD. - Confirm the connection between the operation

A portion of the LCD is not displayed.

- Confirm the connection of

- the power cord, and

- between the logic board and the power supply unit.

- Replace the

- AC adapter, or

- logic board ass'y*1.

- Remove foreign material.

- Attach a removed part if any.

- Check the operation of the moving parts (such as purge unit, carriage unit, and paper feeding

mechanism)

- Replace a faulty part, if any.

panel, the scanner unit, and the logic board.

- Replace the

- LCD, or

- logic board ass'y*1.

- Perform the button and LCD test in the service mode, and confirm that the LCD is displayed without any segments missing.

- Confirm the connection between the operation panel, the scanner unit, and the logic board.

- Replace the

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- LCD, or

1-12

- logic board ass'y

Paper feed problems (multifeeding, skewed feeding, no feeding)

Carriage movement problems (contact to other parts, strange noise)

Faulty scanning (no scanning, strange noise)

Unsatisfactory print quality No printing, or no color ejected. - Replace the

Printing is faint, or white lines appear on printouts even after print head cleaning.

Line(s) not included in the print data appears on printouts.

Paper gets smeared. - Feed several sheets of paper.

A part of a line is missing on printouts.

Color hue is incorrect. - Replace the

Printing is incorrect.

- Examine the inside to confirm that no parts are damaged, and the rollers are clean.

- Remove foreign material.

- Adjust the paper guide properly.

- Confirm the connection of each harness and the logic board.

- Replace the

- sheet feeder unit,

- cassette, or

- logic board ass'y*1.

- Confirm that the timing slit strip film is free from damage or grease.

- Clean the timing slit strip film.

- Replace the

- timing slit strip film, or

- carriage unit.

- Remove foreign material.

- Confirm the connection between the scanner unit and the logic board.

- Replace the

- scanner unit, or

- logic board ass'y*1.

- ink tank,

- print head*2, or

- logic board ass'y*1.

- Remove foreign material from the purge unit caps, if any.

- Replace the purge unit.

- Remove and re-install the print head.

- Replace the

- ink tank,

- print head*2,

- purge unit, or

- logic board ass'y*1.

- Perform bottom plate cleaning.

- Clean the paper path with cotton swab or cloth.

- Clean the ASF sub-rollers.

- Replace the

- ink tank, or

- print head*2.

- Perform print head alignment.

- ink tank, or

- print head*2.

- Perform print head alignment.

Replace the logic board ass'y*1.

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No ejection of black ink. - Replace the

1-13

- logic board ass'y

- ink tank, or

- print head*2.

- Remove foreign material from the purge unit caps, if any.

- Replace the purge unit.

Graphic or text is enlarged on printouts.

Faulty scanning No scanning. - Confirm the connection between the scanner unit

Streaks or smears on the scanned image.

When enlarged in the carriage movement direction:

- Clean grease or oil off the timing slit strip film

- Replace the

- timing slit strip film,

- carriage unit, or

- logic board ass'y*1.

When enlarged in the paper feed direction:

- Clean grease or oil off the timing slit disk film

- Replace the

- timing slit disk film,

- timing sensor unit, or

- logic board ass'y*1.

and the logic board ass'y.

- Replace the

- scanner unit, or

- logic board ass'y*1.

- Clean the platen glass.

- Confirm the connection between the scanner unit and the logic board ass'y.

- Replace the

- scanner unit, or

- logic board ass'y*1.

*1: Before replacement of the logic board ass'y, check the waste ink amount (by service test print or EEPROM

information print). If the waste ink amount is 7% or more, also replace the ink absorber kit (QY5-0146) when replacing the logic board ass'y.

[See Section 3

*2: Replace the print head only after the print head deep cleaning is performed 2 times, and when the problem

persists.

To the table of contents To the top

-3. Adjustment / Settings, (5) Service mode, for details.]

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3. REPAIR

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3-1. Notes on Service Part Replacement (and Disassembling / Reassembling)

Service part

Logic board ass'y QM2-3078

Ink absorber kit QY5-0146

Carriage unit QM2-2922

Paper feed motor QK1-1502

Platen unit: QM22313

Notes on replacement

- Before removal of the logic board ass'y, remove the power cord, and allow for approx. 1 minute (for discharge of capacitor's accumulated charges), to prevent damages to the logic board ass'y.

- Before replacement, check the waste ink amount (by service test print or EEPROM information print). If the waste ink amount is 7% or more, also replace the ink absorber kit when replacing the logic board ass'y.

[See 3-3. Adjustment / Settings, (5) Service mode, for details.]

- The red screws securing the paper feed motor are allowed to be loosened. (DO NOT loosen any other red screws.)

- By attaching the tape at the specified 2 locations,

Adjustment / settings Operation check

After replacement:

1. Initialize the EEPROM.

2. Reset the waste ink counter.

3. Set the destination in the EEPROM.

4. Correct the CD / DVD and automatic print head alignment sensors.

5. Check the ink system function.

[See 3-3. Adjustment / Settings, (5) Service mode, for details of 1 to 5]

6. Perform the print head alignment in the user mode.

After replacement:

1. Reset the waste ink counter.

[See 3.3. Adjustment / Settings, (5) Service mode.]

At replacement:

1. Apply grease to the sliding portions.

[See 3 Settings, (2) Grease application.]

After replacement:

1. Correct the CD / DVD and automatic print head alignment sensors.

[See 3.3. Adjustment / Settings, (5) Service mode.]

2. Check the ink system function.

[See 3.3. Adjustment / Settings, (5) Service

mode.]

3. Perform the print head alignment in the user mode.

At replacement:

1. Adjust the paper feed

[See 3 Settings, (1) Paper feed motor adjustment.]

At replacement:

-3. Adjustment /

motor.

-3. Adjustment /

- EEPROM information print

- Service test print

- Printing via USB connection

- Direct printing from a digital camera

- Service test print

- EEPROM information print

- Service test print (Confirm CD / DVD and automatic print head alignment sensor correction, and ink

system function.)

After the machine unit is assembled in the bottom

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