Canon Pixma MG5200 Service Manual

MG5200 series Service Manual

(MG5210 / MG5220 / MG5230 / MG5240 / MG5250 / MG5270 / MG5280)

Revision 0

QY8-13DC-000

COPYRIGHTc2010 CANON INC. CANON MG5200 series 082010 XX 0.00-0

Scope

This manual has been issued by Canon Inc., to provide the service technicians of this product with the information necessary for qualified persons to learn technical theory, installation, maintenance, and repair of products. The manual covers information applicable in all regions where the product is sold. For this reason, it may contain information that is not applicable to yo ur region.

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

Revision

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.

MG5200 series

INTRODUCTION

[ How to use this Service Manual ]

This manual is intended to solve printer problems smoothly, with each section representing the typical service procedures, as shown below.

Troubleshooting

Repair

Adjustment & Settings

Verification

Appendix

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

Identify the problem, and handle it accordingly.

When a part needs to be replaced, see this section.

After repair, perform the necessary adjustment and settings.

At the end of the servicing, verify the machine following the inspection flow in this section.

Information that will be necessary for maintenance and repair of the machine

MG5200 series

TABLE OF CONTENTS

1. TROUBLESHOOTING

1-1. Troubleshooting by Symptom 1-2. Operator Call Error Troubleshooting 1-3. Service Call Error Troubleshooting

2. REPAIR

2-1. Major Replacement Parts and Adjustment 2-2. Disassembly & Reassembly Procedures

(1) External housing removal (2) Cable wiring and connection (3) Emblem removal (4) Carriage unlocking (5) ASF unit removal (6) Right chassis removal (7) Carriage unit removal (8) Spur unit and platen unit removal (9) Purge drive system unit (right plate) and switch system unit (left plate) removal (10) Engine unit reassembly (11) Ink absorber replacement

3. ADJUSTMENT / SETTINGS

3-1. Adjustment 3-2. Adjustment and Maintenance in User Mode 3-3. Adjustment and Settings in Service Mode

(1) Service mode operation procedures (2) Service Tool functions (3) LF / Eject correction (4) Button and LCD test (5) Ink absorber counter setting (6) Disc label print position correction

3-4. Grease Application 3-5. Special Notes on Servicing

(1) For smeared printing, uneven printing, or non-ejection of ink (2) Paper feed motor adjustment (3) Carriage unit replacement (4) Document pressure sheet (sponge sheet) replacement (5) Ink absorber counter setting (6) Preventive replacement of ink absorber

4. VERIFICATION AFTER REPAIR

4-1. Standard Inspection Flow 4-2. Integrated Inspection Pattern Print 4-3. Ink Absorber Counter Value Print

5. APPENDIX

5-1. Customer Maintenance 5-2. Special Tools 5-3. Sensors 5-4. Serial Number Location

6. MACHINE TRANSPORTATION

MG5200 series TABLE OF CONTENTS

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1. TROUBLESHOOTING

1-1. 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. (1) Examine and remove any foreign material

The LCD does not display properly. A portion of the LCD is not displayed. The display flickers.

(1) Confirm cable connection:

- DC harness ass'y

- Power switch harness ass'y

=> No incomplete connection, cable

breakage, or cable caught in units

(2) Replace the following item(s):

- Logic board ass'y

- AC adapter

- DC harness ass'y

from the drive portions.

(2) Replace the following item(s):

- The part generating the strange noise

- Purge drive system unit

(1) Confirm cable connection:

- LCD cable ass'y

- Panel cable ass'y

=> No incomplete connection, cable

breakage, or cable caught in units

(2) Replace the following item(s):

- LCD unit

- LCD cable ass'y

- Panel cable ass'y

- Operation panel unit

- Logic board ass'y

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

(1) Examine and remove any foreign material

from the following parts:

- ASF unit

- PE sensor

- Paper guide unit

- Pressure roller unit

- Spur unit

(2) Confirm that the paper guides are set

properly.

(3) Confirm the PF rear cover and the

cassette conditions.

(4) Confirm cable connection:

- PE sensor cable

- Paper feed relay harness ass'y

=> No incomplete connection, cable

breakage, or cable caught in units

(5) Replace the following item(s):

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- ASF unit (for paper feeding error from the rear tray)

- Pick-up arm unit (for paper feeding error from the cassette)

- PE sensor board ass'y

- Pressure roller unit

- PE sensor cable

- Cassette unit

Faulty scanning (no scanning, strange noise).

The disc tray is not pulled in the feeder*2.

Machine not recognized by a USB-connected computer.

(1) Confirm cable connection:

- Scanner motor cable

- CIS FFC

=> No incomplete connection, cable

breakage, or cable caught in units

(3) Replace the following item(s):

- Scanner unit

- Logic board ass'y

(1) Confirm that the reflector on the back of

the disc tray is clean:

- Cleaning of the reflector

(2) Replace the following item(s):

- Logic board ass'y

- CDR tray ass'y

- Platen unit

(1) Confirm the USB cable connection. (2) Connect the machine to another computer

via the USB cable, and check if the machine is recognized.

(3) Replace the following item(s):

- USB cable

- Logic board ass'y

Unsatisfactory print quality No printing, or no color ejected.

Faint printing, or white lines on printouts. Uneven printing. Improper color hue.

See 3-5. Special Notes on Servicing, (1) For

smeared printing, uneven printing, or nonejection of ink, for details.

(1) Confirm the ink tank conditions:

- No remainder of the outer film (the airthrough must be opened)

- Whether the ink tank is Canon-genuine one or not

- Whether the ink tank is refilled one or not

- Re-setting of an ink tank

(2) Remove foreign material from the purge

unit caps, if any.

(3) Confirm the conditions of the carriage

head contact pins.

(4) Perform cleaning or deep cleaning of the

print head.

(5) Perform print head alignment.

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(6) Replace the following item(s):

- Print head*1, and ink tanks

- Logic board ass'y

- Purge drive system unit

- Carriage unit

Paper gets smeared. (1) Clean the inside of the machine.

(2) Perform bottom plate cleaning. (3) Perform paper feed roller cleaning. (4) Replace the following item(s):

- Pressure roller ass'y (if smearing is heavy)

- Print head*1 (when smearing is caused by the print head)

The back side of paper gets smeared.

Graphic or text is enlarged on printouts in the carriage movement direction.

Graphic or text is enlarged on printouts in the paper feed direction.

(1) Clean the inside of the machine. (2) Perform bottom plate cleaning. (3) Examine the platen ink absorber. (4) Examine the paper eject roller. (5) Replace the following item(s):

- The part in the paper path causing the smearing

(1) Confirm that the carriage slit film is free

from smearing or scratches:

- Cleaning of the timing slit strip film.

(2) Replace the following item(s):

- Timing slit strip film

- Carriage unit

- Logic board ass'y

- Scanner unit (for copying)

(1) Confirm that the LF / EJ slit film is free

from smearing or scratches:

- Cleaning of the LF / EJ slit film..

(2) Replace the following item(s):

- Timing slit disk feed film

- Timing slit disk eject film

- Timing sensor unit

- Platen unit

- Logic board ass'y

- Scanner unit (for copying)

Smearing in disc label printing*2.

Streaks on the printed disc label*2.

(1) Check if the printable disc is the

recommended one or not:

- Change of the printer driver settings

(2) Replace the following item(s):

- Pressure roller unit (if smearing is heavy)

- CDR tray ass'y

- Platen unit

Faulty scanning No scanning. (1) Confirm cable connection.

(2) Replace the following item(s):

- Scanner unit

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- Logic board ass'y

Streaks or smears on the scanned image.

(1) Clean the platen glass and the document

pressure sheet.

(2) Confirm the position of the document

pressure sheet.

(3) Replace the following item(s):

- Scanner unit

- Document pressure sheet

- Logic board ass'y

Network connection problem No printing. (1) Examine if printing is performed properly

via USB connection. (2) Confirm the network connection. (3) Replace the following item(s):

- Logic board ass'y

- Wireless LAN board ass'y

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

problem persists.

*2: Only for disc label printing supported regions.

1-2. Operator Call Error (by Alarm LED Lit in Orange) Troubleshooting

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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. Messages during printing from a computer are displayed on the printer driver Status Monitor.

3. Error codes (the latest 10 error codes at the maximum) are printed in the "operator call/service call error record" area in EEPROM information print

Buttons valid when an operator call error occurs:

1. ON button: To turn the machine off and on again.

2. OK button: To clear and recover from an error. In some operator call errors, the error will automatically

be cleared when the cause of the error is eliminated, and pressing the OK button may not be necessary.

3. Stop button: To cancel the job at error occurrence, and to clear the error.

Error

No paper in the rear tray.

No disc tray*1.

No printable disc*1.

Error code

No.

Message on the

LCD

[1000] --- Rear tray.

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

[1001] --- There is no disc tray.

Set the tray and press [OK].

[1002] --- Printable disc is not

set. Place a disc on the disc tray and press [OK].

Solution

Confirm that the rear tray is selected as the paper source. Set the paper in the rear tray, and press the OK button. If the error is not cleared, confirm that no foreign material is inside the paper feed slot.

Set the disc tray, and press the OK button. If the error is not cleared, confirm that the disc tray is not cracked or damaged.

Set a printable disc in the disc tray, and insert the disc tray in the proper position. Then, press the OK button. If the error is not cleared, re-set the printable disc in the tray, and try again.

Parts that are likely

to be faulty

- PE sensor board ass'y

- ASF unit

- Pressure roller unit

- CDR tray ass'y

- Carriage unit

- CDR tray ass'y

- Carriage unit

No paper in the cassette.

[1003] --- Cassette.

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

Confirm that the cassette is selected as the paper source. Set the paper in the cassette, and press the OK button. Note that the cassette is

- Pick-up arm unit

- Pressure roller ass'y

- Cassette unit

for plain paper only.

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Paper jam. [1300] --- The paper is

jammed. Clear the

Paper jam in the rear guide.

Paper jam in the

[1303] ---

[1304] ---

paper and press [OK].

under guide.

Ink may have run out.

[1600] U041 The ink may have

run out. Replacing the ink tank is recommended.

Ink tank not installed.

[1660] U043 The following ink

tank cannot be recognized. (Applicable ink tank icon)

Remove the jammed paper and press the OK button. For paper jam in the rear guide, confirm that the rear guide is not dislocated.

Replace the applicable ink tank, or press the OK button to clear the error without ink tank replacement. When the error is cleared by pressing the OK button, ink may run out during printing.

Install the applicable ink tank(s) properly, and confirm that the LED's of all the ink tanks light red.

- Pick-up arm unit

- ASF unit

- Pressure roller ass'y

- Cassette unit

- Rear guide unit

- Spur unit

- Ink tank

- Carriage unit

Print head not installed, or not properly installed.

Faulty print head ID.

Print head temperature sensor error.

Faulty EEPROM data of the print head.

Inner cover error

[1401] U051 Print head is not

installed. Install the print head.

U052 The type of print

head is incorrect.

[1403]

Install the correct print head.

[1405]

[1841*2], [1846*2], [1851*1], [1856*1]

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

Install the print head properly. If the error is not cleared, confirm that the print head contact pins of the carriage are not bent.

Re-set the print head. If the error is not cleared, the print head may be defective. Replace the print head. If the error is not cleared, confirm that the print head contact pins of the carriage are not bent.

Close the inner cover, and press the OK button. If the error is not cleared, examine that the inner cover sensor is properly installed.

- Print head

- Carriage unit

- Print head

- Carriage unit

- Spur unit

- Inner cover unit

[1850*1], [1855*1]

Open the inner cover, set the disc

Open the inner cover, set the disc tray, and press

- Spur unit

- Inner cover unit

tray and press [OK]. the OK button.

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Time-out in disc label printing

Multiple ink tanks of the same color installed.

Ink tank in a wrong position.

Warning: The ink absorber becomes almost full.

[1830*1]

--- Timeout error has occurred.

[1487] U071 More than one ink

tank of the following color is installed.

[1680] U072 Some ink tanks are

not installed in place.

[1700] --- The ink absorber is

almost full. Press [OK] to continue printing. Contact the service center for replacement.

A prescribed period of time (12 minutes) has elapsed without the disc tray inserted since the message appears to indicate that the machine was preparing for printing. Press the Stop button to clear the error.

Replace the wrong ink tank(s) with the correct one(s).

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

Replace the ink absorber, and reset its counter. [See

3-3, Adjustment and Settings in Service Mode.]

Pressing the OK button will exit the error, and enable printing without replacing the ink absorber. However, when the ink absorber becomes full, no further printing can be performed unless the applicable ink absorber is replaced.

- Ink tank

- Absorber kit

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

Automatic double-sided printing cannot be performed.

[2001] --- Incompatible device

detected. Remove the device.

[1310] --- This paper is not

compatible with twosided printing. Remove the paper and press [OK].

Remove the cable between the camera and the machine.

The paper length is not supported for doublesided printing. Press the OK button to eject the paper being used at error occurrence. Data which was to be printed on the back side of paper at error occurrence is skipped

- Duplex paper feed roller unit

- PE sensor board ass'y

(not printed).

8 / 62

Failed in automatic print head alignment.

The remaining ink amount unknown (raw ink present).

[2500] --- Auto head align has

failed. Press [OK] and repeat operation. <See manual>

[1683] U130 (Applicable ink tank

icon) The remaining level of the ink cannot be correctly detected. Replace the ink tank.

Press the OK button to clear the error, then perform the automatic print head alignment again. (Use Matte Photo Paper MP-101.) If the alignment pattern was not printed properly (faint printing, etc.), perform print head cleaning, then perform the print head alignment again.

An ink tank which has once been empty is installed. Replace the applicable ink tank with a new one. Printing with a once-empty ink tank can damage the machine. To continue printing without replacing the ink tank(s), press the Stop button for 5 sec. or longer to disable the function to detect the remaining ink amount. After the operation, it is recorded in the machine EEPROM that the function to detect the remaining ink amount was disabled.

- Carriage unit

- Print head

- Purge drive system unit

- Ink tank

- Spur unit

Ink tank not recognized.

No ink (no raw ink).

[1684] U140 The following ink

tank cannot be recognized. (Applicable ink tank icon)

[1682] U150 The following ink

tank cannot be recognized. (Applicable ink tank icon)

[1688] U163 The ink has run out.

Replace the ink tank.

(Applicable ink tank

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

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

Replace the empty ink tank(s), and close the scanning unit (cover). Printing with an empty

- Ink tank

- Spur unit

icon) ink tank can damage the

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machine. To continue printing without replacing the ink tank(s), press the Stop button for 5 sec. or longer to disable the function to detect the remaining ink amount. After the operation, it is recorded in the machine that the function to detect the remaining ink amount was disabled.

Non-supported hub.

[2002] --- An unsupported

USB hub is connected. Remove the hub.

Time-out for the scanner device.

[2700] --- Timeout error has

occurred. Press [OK].

Premium Contents print

[4100] --- Cannot print the

data.

error.

*1: Only for disc label printing supported regions. *2: Only for disc label printing non-supported regions.

Remove the applicable USB hub from the PictBridge (USB) connector.

The buffer became full in the middle of scanning operation, and 60 minutes have elapsed since then, making re-scanning unstable. Press the OK button to clear the error.

Non-genuine ink tanks are installed. Install the supported (Canongenuine) ink tanks.

- Ink tank

1-3. Service Call Error (by Cyclic Blinking of Alarm and Power LEDs) Troubleshooting

10 / 62

Service call errors are indicated by the number of cycles the Alarm and Power LEDs blink, and the corresponding error code with the message, "Printer error has occurred. Turn off power then back on again. If problem persists, see the manual." is displayed on the LCD.

1) Check each point in "Check points & Solution," and perf orm the solution if it applies.

2) When no solution in "Check points & Solution" is effective, then replace the part listed under "Parts to be replaced" one by one from the one most likely to be faulty. The parts are listed in the order of likeliness to be faulty.

Cycles of

blinking of

Alarm and

Power LEDs

Error

Error code

Check points & Solution

2 times Carriage error [5100] (1) Smearing or scratches on the carriage slit

film:

Clean the film using lint-free paper.

(2) Foreign material that obstructs the

carriage movement:

Remove foreign material.

(3) Ink tank conditions:

Re-set the ink tanks.

(4) Cable connection:

- CR FFC (J500, J501, J502, etc.) Re-connect the cables.

(5) Scratches or damages to the carriage slit

film:

Replace the timing slit strip film.

(6) Black debris around the carriage rail or

pressure roller:

Replace the carriage unit.

Parts to be

replaced (when

no solution is

effective)

- Timing slit strip film

- Carriage unit

- Logic board ass'y

- Carriage motor

3 times Line feed error [6000] (1) Opening and closing of the paper output

tray:

Remove obstacles from around the paper output tray so that the tray opens and closes properly.

(2) Smearing or scratches on the LF / EJ slit

film:

Clean the LF / EJ slit film using lintfree paper.

(3) Foreign material in the LF drive:

Remove foreign material.

(4) Cable connection

Re-connect the cables. If any damage or breakage of the cable is found, replace the cable.

(5) LF lock arm spring:

Attach the spring properly.

- Timing slit disk feed film

- Timing slit disk eject film

- Timing sensor unit

- Paper feed roller unit

- Logic board ass'y

- Paper feed motor

4 times Purge cam

11 / 62

sensor error

[5C00] (1) Foreign material around the purge drive

system unit:

Remove foreign material.

(2) Cable connection:

- LF encoder cable

- PE sensor cable

- Paper feed relay harness ass'y

- Paper feed motor harness ass'y Re-connect the cable.

(3) Strange sound at power-on:

Replace the purge drive system unit.

- Purge drive system unit

- Logic board ass'y

5 times ASF (cam)

sensor error

6 times Internal

temperature error

7 times Ink absorber

full

8 times Print head

temperature rise error

[5700] (1) Cable connection:

- PE sensor cable, etc. Re-connect the cable.

[5400] (1) Cable connection:

- Between the spur unit and the logic

board, J703 connector, etc.

Re-connect the cable.

[5B00] [5B01]

(1) Ink absorber condition:

Replace the ink absorber, and reset the ink absorber counter value in the EEPROM.

[5200] (1) Print head condition (face surface and

mold):

If a burn mark or heat deformation is seen on the face surface or the mold, replace the print head.

(2) Head contact pin condition of the

carriage unit:

If the pin is bent or deformed, replace the carriage unit.

(3) Cable connection:

- CR FFC (J500, J501, J502) Re-connect the cable. If any damage or breakage of the cable is found, replace the carriage unit.

- ASF unit

- PE sensor board ass'y

- Logic board ass'y

- Spur unit

- Logic board ass'y

- Print head

- Absorber kit

- Print head

- Carriage unit

9 times EEPROM error [6800]

[6801]

10 times VH monitor

[B200] (1) Print head condition (face surface and

error

(1) Part replacement:

Replace the logic board ass'y.

mold):

If a burn mark or heat deformation is seen on the face surface or the mold, replace the print head and the logic board in set. (Be sure to replace them at the same time.)

- Logic board ass'y

- Print head and logic board ass'y (replace them at the same time)

- AC adapter

- Carriage unit

(2) Burn mark or heat deformation of the

12 / 62

logic board:

If a burn mark or heat deformation is seen on the logic board, replace the print head and the logic board in set. (Be sure to replace them at the same time.)

(3) Head contact pin condition of the

carriage unit:

If the pin is bent or deformed, replace the carriage unit.

(4) Cable connection:

- CR FFC (J502, J501, J500) Re-connect the cable. If any damage or breakage of the cable is found, replace the carriage unit.

11 times Carriage lift

mechanism error

12 times APP position

error

APP position error during initial purging

14 times APP sensor

error

[5110] (1) Foreign material that obstructs the

carriage movement:

Remove foreign material.

[6A80] (1) Cap absorber and wiper blade of the

purge drive system unit:

If the cap absorber contacts the wiper blade, lower the cap absorber so that it will not contact the wiper blade.

(2) Foreign material around the purge drive

system unit:

[6A81]

Remove foreign material.

(3) Ink absorber right beneath the purge

drive system unit:

Confirm that the absorber stays in place and does not contact the unit.

(4) Foreign material around the ASF unit:

Remove foreign material.

(5) Cable connection:

- J702, PE sensor cable

- Motor multi harness ass'y Re-connect the cables.

[6A90]

If any damage or breakage of the cable is found, replace the cable.

(6) APP slit film condition:

Clean the APP slit film using lintfree paper.

(7) APP code wheel gear condition:

If the gear wears, replace the gear.

- Switch system unit

- Carriage unit

- Purge drive system unit

- Logic board ass'y

Paper feed cam sensor error

[6B10] (1) Ink absorber counter value:

If the value exceeds 60%, replace the ink absorber. Follow the "

Guideline

- Pick-up arm unit

- Duplex paper feed roller unit

for Preventive Replacement of the

13 / 62

Ink Absorber.

(2) Jammed paper in the under guide:

Remove the jammed paper.

15 times USB host Vbus

overcurrent

16 times Pump roller

sensor error

17 times Paper eject

encoder error

19 times Ink tank

position sensor error

[9000] (1) Part replacement:

Replace the logic board ass'y.

[5C20] (1) Cable connection

Re-connect the cable.

[6010] (1) Smearing on the LF / EJ slit film:

Clean the LF / EJ slit film using lintfree paper.

(2) Foreign material in the paper path:

Remove foreign material.

(3) Cable connection:

- LF encoder cable

- PE sensor cable Re-connect the cable.

(4) Scratches on the LF / EJ slit film:

Replace the timing slit disk feed film or the timing slit disk eject film.

[6502] (1) Ink tank position:

Confirm the ink tanks are installed in the correct slots.

(2) Re-set or replacement of ink tanks:

If the error persists, replace the ink tanks.

(3) Cable connection

Re-connect the cable.

- Purge drive system unit

- Timing slit disk feed film

- Timing slit disk eject film

- Timing sensor unit

- Platen unit

- Logic board ass'y

- Paper feed motor

- Spur unit

- Logic board ass'y

20 times Other errors [6500] (1) Cable connection:

- Wireless LAN cable Re-connect the cable.

21 times Drive switch

error

[C000] (1) Foreign material in the drive switch area

of the purge drive system unit:

Remove foreign material.

(2) Ink tank conditions:

Confirm that the ink tanks are seated properly and they do not interfere with the carriage movement.

22 times Scanner error [5011] (1) Cable connection:

- J900, J1002, J704 Re-connect the cable.

(2) Damper condition inside the scanner:

If the damper winds around the CIS, replace the scanner unit.

(3) Scanner belt pulley:

If the pulley is dislocated, replace the

- Logic board ass'y

- Wireless LAN board ass'y

- Purge drive system unit

- ASF unit

- Carriage unit

- Scanner unit

- Document pressure sheet

- Logic board ass'y

scanner unit.

14 / 62

(4) Document pressure sheet conditions:

Re-attach the document pressure sheet, or replace it.

FB motor error [5012] (1) Cable connection:

23 times Valve cam

sensor error

Before replacement of the logic board, check the ink absorber counter value, and register it to the replaced new logic board. (The value can be set in 10% increments.) In addition, according to the "

Guideline for Preventive Replacement of Ink Absorber

3. ADJUSTMENT / SETTINGS, 3-3. Adjustment and Settings in Service Mode, for details.]

- J900, J1002, J704 Re-connect the cable.

[6C10] (1) Foreign material around the purge drive

system unit:

Remove foreign material.

(2) Cable connection:

- J702 connector Re-connect the cable.

," replace the ink absorber. [See

<1. TROUBLESHOOTING>

- Scanner unit

- Purge drive system unit

- Logic board ass'y

MG5200 series TABLE OF CONTENTS

15 / 62

2. REPAIR

2-1. Major Replacement Parts and Adjustment

Service part

Logic board ass'y

Recommended removal procedure*1 / Notes on

replacement

(1) Operation panel cover (2) Side cover R (3) Logic board ass'y

- Before replacement, check the ink absorber counter value (by service test print or EEPROM information print).

- 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.

Adjustment / settings / operation

check

In the service mode:

1. Set the ink absorber counter value.

2. Set the destination.

3. Print the integrated inspection pattern.

4. Perform LF / Eject correction (only when streaks or uneven printing occurs).

5. Print the EEPROM information. [See 3-3. Adjustment and Settings

in Service Mode, for details.]

In the user mode:

6. Set the language displayed on the LCD.

7. Reset the LAN settings.

8. Perform print head alignment.

9. Print via USB connection.

10. Copy.

11. Perform direct printing from a digital camera (PictBridge).

Absorber kit (1) Operation panel cover

(2) Side cover R (3) Logic board ass'y (4) Operation panel unit (together with the LCD unit) (5) Operation rear top cover (6) Side cover L (7) Scanner stay (8) Scanner unit (together with the document cover

unit) (9) Main case (10) Sub case unit and ASF cover unit (11) Printer unit from the bottom case

Carriage unit (1) to (10) Same as for the absorber kit procedures.

(11) Logic board ass'y (12) Right chassis (together with the card board ass'y

and PictBridge board unit) (13) Timing slit strip film (14) Carriage rail (15) Carriage unit

- Keep the timing slit strap (carriage encoder film) free

In the service mode:

1. Reset the ink absorber counter. [See 3-3. Adjustment and Settings

in Service Mode, for details.]

After the ink absorber counter is reset, the counter value is printed automatically.

1. Apply grease to the sliding portions of the carriage rail. [See 3-4. Grease Application, for details.]

In the service mode:

2. Print the integrated inspection pattern. [See 3-3. Adjustment and Settings

from stain or damage. When returning the strap, make

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sure of its orientation (left and right, front and back).

- See 2-2. Disassembly & Reassembly Procedures, (7)

Carriage unit removal, for details.

in Service Mode, for details.]

In the user mode:

3. Perform automatic print head alignment.

Switch system unit

Paper feed motor

(1) to (10) Same as for the absorber kit procedures. (11) PE sensor board ass'y (12) ASF unit (13) Logic board ass'y (14) Right chassis (15) Front chassis (16) Main chassis (together with the carriage unit and

pressure roller ass'y) (17) Spur unit (18) Platen unit (19) Cassette feed roller unit (20) Duplex paper feed roller unit (21) Cassette feed guide (22) Paper guide unit (23) Paper feed roller unit (24) Switch system unit or paper feed motor

- The screws securing the paper feed motor are allowed to be loosened only for paper feed motor replacement. (DO NOT loosen them in any other cases.)

1. Adjust the paper feed motor. [See 3-5. Special Notes on

Servicing, (2) Paper feed motor adjustment, for details.]

In the service mode:

2. Print the integrated inspection pattern.

Platen unit (1) to (10) Same as for the absorber kit procedures.

(11) PE sensor board ass'y (12) ASF unit (13) Logic board ass'y (14) Right chassis (15) Front chassis (16) Main chassis (together with the carriage unit) (17) Spur unit (18) Platen unit

Spur unit (1) to (10) Same as for the absorber kit procedures.

(11) PE sensor board ass'y (12) ASF unit (13) Logic board ass'y (14) Right chassis (15) Front chassis (16) Main chassis (together with the carriage unit) (17) Spur unit

In the service mode:

1. Perform LF / Eject correction (only when uneven printing or streaks appear on printouts after replacement). [See 3-3. Adjustment and Settings

in Service Mode, for details.]

2. Print the integrated inspection pattern.

In the service mode:

1. Print the integrated inspection pattern.

2. Perform LF / Eject correction (only when uneven printing or streaks appear on printouts after replacement). [See 3-3. Adjustment and Settings

in Service Mode, for details.]

Purge drive system unit

(1) to (10) Same as for the absorber kit procedures. (11) PE sensor board ass'y (12) ASF unit (13) Logic board ass'y

In the service mode:

1. Print the integrated inspection pattern.

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