Canon PIXMA MG5220 Series User manual

PIXMA MG5220
SERVICE
MANUAL
Canon
Copyright ©2010, 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 byAuthorized Service Facilities of Canon U.S.A. Its unauthorized use is prohibited.

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.
This manual does not provide sufficient information for disassembly and reassembly procedures. Refer to the graphics in the separate
Parts Catalog.
MG5200 series
Troubleshooting Identify the problem, and handle it accordingly.
Repair When a part needs to be replaced, see this section.
Adjustment & Settings After repair, perform the necessary adjustment and settings.
Verification At the end of the servicing, verify the machine following the inspection flow in this section.
Appendix Information that will be necessary for maintenance and repair of the machine
<INTRODUCTION>

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) N/A
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
MG5200 series

5. APPENDIX
5-1. Customer Maintenance
5-2. Special Tools
5-3. Sensors
5-4. Serial Number Location
6. MACHINE TRANSPORTATION
<TABLE OF CONTENTS>

1. TROUBLESHOOTING
1-1. Troubleshooting by Symptom
MG5200 series TABLE OF CONTENTS
Symptom Solution
Faulty operation The power does not turn on.
The power turns off
immediately after power-on.
(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
A strange noise occurs. (1) Examine and remove any foreign material
from the drive portions.
(2) Replace the following item(s):
- The part generating the strange noise
- Purge drive system unit
The LCD does not display
properly.
A portion of the LCD is not
displayed.
The display flickers.
(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 (multi-
feeding, 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
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(5) Replace the following item(s):
- 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). (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
Machine not recognized by a
USB-connected computer. (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 non-
ejection of ink, for details.
(1) Confirm the ink tank conditions:
- No remainder of the outer film (the air-
through 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.
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(5) Perform print head alignment.
(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. (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
Graphic or text is enlarged on
printouts in the carriage
movement direction.
(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)
Graphic or text is enlarged on
printouts in the paper feed
direction.
(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)
Faulty scanning No scanning. (1) Confirm cable connection.
(2) Replace the following item(s):
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*1: Replace the print head only after the print head deep cleaning is performed 2 times, and when the
problem persists.
- Scanner unit
- 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
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1-2. Operator Call Error (by Alarm LED Lit in Orange) Troubleshooting
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 Error
code U No. Message on the LCD Solution Parts that are likely to be faulty
No paper in the
rear tray. [1000] --- Rear tray. There is no paper.
Load paper and
press [OK].
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.
- PE sensor board ass'y
- ASF unit
- Pressure roller 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
5 / 62

for plain paper only.
Paper jam. [1300] --- The paper is
jammed. Clear the
paper and press
[OK].
Remove the jammed
paper and press the OK
button.
For paper jam in the rear
guide, confirm that the
rear guide is not
dislocated.
- Pick-up arm unit
- ASF unit
- Pressure roller ass'y
- Cassette unit
- Rear guide unit
Paper jam in the
rear guide. [1303] ---
Paper jam in the
under guide. [1304] ---
Ink may have
run out. [1600] U041 The ink may have run out. Replacing
the ink tank is
recommended.
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.
- Spur unit
Ink tank not
installed. [1660] U043 The following ink tank cannot be
recognized.
(Applicable ink tank
icon)
Install the applicable ink
tank(s) properly, and
confirm that the LED's of
all the ink tanks light red.
- Ink tank
- Carriage unit
Print head not
installed, or not
properly
installed.
[1401] U051 Print head is not
installed. Install the
print head.
Install the print head
properly.
If the error is not cleared,
confirm that the print
head contact pins of the
carriage are not bent.
- Print head
- Carriage unit
Faulty print
head ID. U052 The type of print head is incorrect.
Install the correct
print head.
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.
- Print head
- Carriage unit
Print head
temperature
sensor error.
[1403]
Faulty
EEPROM data
of the print
head.
[1405]
Inner cover
error [1841],
[1846] --- Inner cover is open.
close the inner cover
and press [OK].
Close the inner cover,
and press the OK button.
If the error is not cleared,
examine that the inner
cover sensor is properly
installed.
- Spur unit
- Inner cover unit
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