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 your 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.

Copyright

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.

Copyright © 2010 by Canon Inc. CANON INC.

Inkjet Device Market Support Management Div.

451, Tsukagoshi 3-chome, Saiwai-ku, Kawasaki-shi, Kanagawa 212-8530, Japan

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	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

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

<INTRODUCTION>

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

<TABLE OF CONTENTS>

MG5200 series	TABLE OF CONTENTS

1. TROUBLESHOOTING

1-1. Troubleshooting by Symptom

		Symptom
Faulty operation		The power does not turn on.
		The power turns off
		immediately after power-on.

A strange noise occurs.

The LCD does not display properly.

A portion of the LCD is not displayed.

The display flickers.

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

Solution

(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

(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

(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

(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

1 / 62

(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,	(1) Confirm cable connection:
strange noise).	- 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
The disc tray is not pulled in the	(1) Confirm that the reflector on the back of
feeder*2.	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

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.	See 3-5. Special Notes on Servicing, (1) For
Faint printing, or white lines on	smeared printing, uneven printing, or non-
printouts.	ejection of ink, for details.
Uneven printing.	(1)	Confirm the ink tank conditions:
Improper color hue.	- 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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Paper gets smeared.

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.

Smearing in disc label

printing*2.

Streaks on the printed disc label*2.

Faulty scanning

No scanning.

(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

(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)

(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)

(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

(1)Confirm cable connection.

(2)Replace the following item(s):

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-Scanner unit

-Logic board ass'y

Streaks or smears on the	(1)	Clean the platen glass and the document
scanned image.		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.

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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

No paper in the rear tray.

No disc tray*1.

No printable disc*1.

No paper in the cassette.

Error

code

[1000]

[1001]

[1002]

[1003]

U Message on the No. LCD

---Rear tray.

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

Solution		Parts that are likely
		to be faulty
Confirm that the rear tray		- PE sensor board ass'y
is selected as the paper		- ASF unit
source. Set the paper in		- Pressure roller unit
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.

---There is no disc tray. Set the tray and press [OK].

Set the disc tray, and	- CDR tray ass'y
press the OK button.	- Carriage unit
If the error is not cleared,
confirm that the disc tray
is not cracked or
damaged.

---Printable disc is not set. Place a disc on the disc tray and press [OK].

Set a printable disc in the	- CDR tray ass'y
disc tray, and insert the	- Carriage unit
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.

--- Cassette.	Confirm that the cassette	- Pick-up arm unit
There is no paper.	is selected as the paper	- Pressure roller ass'y
Load paper and press	source. Set the paper in	- Cassette unit
[OK].	the cassette, and press the
	OK button.
	Note that the cassette is

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Paper jam.	[1300]
Paper jam in the	[1303]
rear guide.
Paper jam in the	[1304]
under guide.
Ink may have	[1600]
run out.

Ink tank not	[1660]
installed.
Print head not	[1401]
installed, or not
properly
installed.
Faulty print
head ID.
Print head	[1403]
temperature
sensor error.
Faulty	[1405]
EEPROM data
of the print
head.
Inner cover	[1841*2],
error	[1846*2],
	[1851*1],
	[1856*1]

[1850*1], [1855*1]

---The paper is jammed. Clear the

---paper and press [OK].

---

for plain paper only.
Remove the jammed	- Pick-up arm unit
paper and press the OK	- ASF unit
button.	- Pressure roller ass'y
For paper jam in the rear	- Cassette unit
guide, confirm that the	- Rear guide unit
rear guide is not
dislocated.

U041 The ink may have run out. Replacing the ink tank is recommended.

Replace the applicable	- Spur unit
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.

U043	The following ink	Install the applicable ink	- Ink tank
	tank cannot be	tank(s) properly, and	- Carriage unit
	recognized.	confirm that the LED's of
	(Applicable ink tank	all the ink tanks light red.
	icon)
U051	Print head is not	Install the print head	- Print head
	installed. Install the	properly.	- Carriage unit
	print head.	If the error is not cleared,
		confirm that the print

head contact pins of the carriage are not bent.

U052 The type of print head is incorrect. Install the correct print head.

Re-set the print head. If	- Print head
the error is not cleared,	- Carriage unit
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.

--- Inner cover is open.	Close the inner cover,	- Spur unit
close the inner cover	and press the OK button.	- Inner cover unit
and press [OK].	If the error is not cleared,
	examine that the inner
	cover sensor is properly
	installed.
Open the inner	Open the inner cover, set	- Spur unit
cover, set the disc	the disc tray, and press	- Inner cover unit

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			tray and press [OK].	the OK button.
Time-out in disc	[1830*1]	---	Timeout error has	A prescribed period of
label printing			occurred.	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.
Multiple ink	[1487]	U071	More than one ink	Replace the wrong ink	- Ink tank
tanks of the			tank of the following	tank(s) with the correct
same color			color is installed.	one(s).
installed.
Ink tank in a	[1680]	U072	Some ink tanks are	Install the ink tank(s) in	- Ink tank
wrong position.			not installed in place.	the correct position.
Warning: The	[1700]	---	The ink absorber is	Replace the ink absorber,	- Absorber kit
ink absorber			almost full. Press	and reset its counter. [See
becomes almost			[OK] to continue	3-3, Adjustment and
full.			printing. Contact the	Settings in Service
			service center for	Mode.]
			replacement.	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.
The connected	[2001]	---	Incompatible device	Remove the cable
digital camera			detected. Remove	between the camera and
or digital video			the device.	the machine.
camera does not
support Camera
Direct Printing.
Automatic	[1310]	---	This paper is not	The paper length is not	- Duplex paper feed
double-sided			compatible with two-	supported for double-	roller unit
printing cannot			sided printing.	sided printing.	- PE sensor board ass'y
be performed.			Remove the paper	Press the OK button to
			and press [OK].	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

7 / 62

(not printed).

Failed in	[2500]	--- Auto head align has
automatic print		failed. Press [OK]
head alignment.		and repeat operation.
		<See manual>

Press the OK button to	- Carriage unit
clear the error, then	- Print head
perform the automatic	- Purge drive system
print head alignment	unit
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.

The remaining	[1683]	U130 (Applicable ink tank		An ink tank which has	- Ink tank
ink amount			icon)	once been empty is	- Spur unit
unknown (raw			The remaining level	installed. Replace the
ink present).			of the ink cannot be	applicable ink tank with a
			correctly detected.	new one. Printing with a
			Replace the ink tank. 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.
Ink tank not	[1684]	U140	The following ink	A non-supported ink tank	- Ink tank
recognized.			tank cannot be	is installed (the ink tank
			recognized.	LED is turned off). Install
			(Applicable ink tank	the supported ink tanks.
			icon)
Ink tank not	[1682]	U150	The following ink	A hardware error	- Ink tank
recognized.			tank cannot be	occurred in an ink tank
			recognized.	(the ink tank LED is
			(Applicable ink tank	turned off). Replace the
			icon)	ink tank(s).
No ink (no raw	[1688]	U163 The ink has run out.		Replace the empty ink	- Ink tank
ink).			Replace the ink tank. tank(s), and close the		- Spur unit
				scanning unit (cover).
			(Applicable ink tank	Printing with an empty

8 / 62

			icon)	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 that the
				function to detect the
				remaining ink amount
				was disabled.
Non-supported	[2002]	---	An unsupported	Remove the applicable
hub.			USB hub is	USB hub from the
			connected. Remove	PictBridge (USB)
			the hub.	connector.
Time-out for the	[2700]	---	Timeout error has	The buffer became full in
scanner device.			occurred. Press	the middle of scanning
			[OK].	operation, and 60 minutes
				have elapsed since then,
				making re-scanning
				unstable. Press the OK
				button to clear the error.
Premium	[4100]	---	Cannot print the	Non-genuine ink tanks	- Ink tank
Contents print			data.	are installed. Install the
error.				supported (Canon-
				genuine) ink tanks.

*1: Only for disc label printing supported regions.

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

9 / 62

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

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				Error
blinking of		Error
Alarm and				code
Power LEDs
2 times		Carriage error [5100]

3 times

Line feed error [6000]

			Parts to be
	Check points & Solution		replaced (when
			no solution is
			effective)
(1)	Smearing or scratches on the carriage slit		- Timing slit strip
	film:		film
	Clean the film using lint-free paper.		- Carriage unit
(2)	Foreign material that obstructs the		- Logic board ass'y
	carriage movement:		- Carriage motor
	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.
(1)	Opening and closing of the paper output		- Timing slit disk
	tray:		feed film
	Remove obstacles from around the		- Timing slit disk
	paper output tray so that the tray		eject film
	opens and closes properly.		- Timing sensor
(2)	Smearing or scratches on the LF / EJ slit		unit
	film:		- Paper feed roller
	Clean the LF / EJ slit film using lint-		unit
	free paper.		- Logic board ass'y
(3)	Foreign material in the LF drive:		- Paper feed motor
	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.

10 / 62

4 times	Purge cam	[5C00]	(1)	Foreign material around the purge drive	- Purge drive
	sensor error			system unit:	system unit
				Remove foreign material.	- Logic board ass'y
			(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.
5 times	ASF (cam)	[5700]	(1)	Cable connection:	- ASF unit
	sensor error		- PE sensor cable, etc.		- PE sensor board
				Re-connect the cable.	ass'y
					- Logic board ass'y
6 times	Internal	[5400]	(1)	Cable connection:	- Spur unit
	temperature		- Between the spur unit and the logic		- Logic board ass'y
	error			board, J703 connector, etc.	- Print head
				Re-connect the cable.
7 times	Ink absorber	[5B00]	(1)	Ink absorber condition:	- Absorber kit
	full	[5B01]		Replace the ink absorber, and reset
				the ink absorber counter value in the
				EEPROM.
8 times	Print head	[5200]	(1)	Print head condition (face surface and	- Print head
	temperature rise			mold):	- Carriage unit
	error			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.
9 times	EEPROM error	[6800]	(1)	Part replacement:	- Logic board ass'y
		[6801]		Replace the logic board ass'y.
10 times	VH monitor	[B200]	(1)	Print head condition (face surface and	- Print head and
	error			mold):	logic board ass'y
				If a burn mark or heat deformation is	(replace them at
				seen on the face surface or the mold,	the same time)
				replace the print head and the logic	- AC adapter
				board in set. (Be sure to replace them	- Carriage unit
				at the same time.)

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11 times	Carriage lift	[5110]
	mechanism
	error
12 times	APP position	[6A80]
	error

APP position

[6A81]

error during initial purging

14 times	APP sensor	[6A90]
	error

Paper feed cam [6B10] sensor error

(2)Burn mark or heat deformation of the 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.

(1) Foreign material that obstructs the carriage movement:

Remove foreign material.

(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:

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.

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.

(1) Ink absorber counter value:

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

-Switch system unit

-Carriage unit

-Purge drive system unit

-Logic board ass'y

-Pick-up arm unit

-Duplex paper feed roller unit

12 / 62

				for Preventive Replacement of the
				Ink Absorber."
			(2)	Jammed paper in the under guide:
				Remove the jammed paper.
15 times	USB host Vbus	[9000]	(1)	Part replacement:
	overcurrent			Replace the logic board ass'y.
16 times	Pump roller	[5C20]	(1)	Cable connection	- Purge drive
	sensor error			Re-connect the cable.	system unit
17 times	Paper eject	[6010]	(1)	Smearing on the LF / EJ slit film:	- Timing slit disk
	encoder error			Clean the LF / EJ slit film using lint-	feed film
				free paper.	- Timing slit disk
			(2)	Foreign material in the paper path:	eject film
				Remove foreign material.	- Timing sensor
			(3)	Cable connection:	unit
			- LF encoder cable		- Platen unit
			- PE sensor cable		- Logic board ass'y
				Re-connect the cable.	- Paper feed motor
			(4)	Scratches on the LF / EJ slit film:
				Replace the timing slit disk feed film
				or the timing slit disk eject film.
19 times	Ink tank	[6502]	(1)	Ink tank position:	- Spur unit
	position sensor			Confirm the ink tanks are installed in	- Logic board ass'y
	error			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.
20 times	Other errors	[6500]	(1)	Cable connection:	- Logic board ass'y
			- Wireless LAN cable		- Wireless LAN
				Re-connect the cable.	board ass'y
21 times	Drive switch	[C000]	(1)	Foreign material in the drive switch area	- Purge drive
	error			of the purge drive system unit:	system unit
				Remove foreign material.	- ASF unit
			(2)	Ink tank conditions:	- Carriage unit
				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:	- Scanner unit
			- J900, J1002, J704		- Document
				Re-connect the cable.	pressure sheet
			(2)	Damper condition inside the scanner:	- Logic board ass'y
				If the damper winds around the CIS,
				replace the scanner unit.
			(3)	Scanner belt pulley:
				If the pulley is dislocated, replace the

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			scanner unit.
		(4)	Document pressure sheet conditions:
			Re-attach the document pressure
			sheet, or replace it.
	FB motor error	[5012] (1) Cable connection:		- Scanner unit
		- J900, J1002, J704
			Re-connect the cable.
23 times	Valve cam	[6C10] (1)	Foreign material around the purge drive	- Purge drive
	sensor error		system unit:	system unit
			Remove foreign material.	- Logic board ass'y
		(2)	Cable connection:
		- J702 connector
			Re-connect the cable.

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," replace the ink absorber. [See 3. ADJUSTMENT / SETTINGS, 3-3. Adjustment and Settings in Service Mode, for details.]

<1. TROUBLESHOOTING>

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MG5200 series	TABLE OF CONTENTS

2. REPAIR

2-1. Major Replacement Parts and Adjustment

Service part

Logic board ass'y

Absorber kit

Recommended removal procedure*1 / Notes on			Adjustment / settings / operation
	replacement			check
(1)	Operation panel cover		In the service mode:
(2)	Side cover R	1.		Set the ink absorber counter value.
(3)	Logic board ass'y	2.		Set the destination.
		3.		Print the integrated inspection
- Before replacement, check the ink absorber counter				pattern.
value (by service test print or EEPROM information		4.		Perform LF / Eject correction
print).				(only when streaks or uneven
- Before removal of the logic board ass'y, remove the				printing occurs).
power cord, and allow for approx. 1 minute (for		5.		Print the EEPROM information.
discharge of capacitor's accumulated charges), to				[See 3-3. Adjustment and Settings
prevent damages to the logic board ass'y.				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).

(1)	Operation panel cover	In the service mode:
(2)	Side cover R	1. Reset the ink absorber counter.
(3)	Logic board ass'y	[See 3-3. Adjustment and Settings
(4)	Operation panel unit (together with the LCD unit)	in Service Mode, for details.]
(5)	Operation rear top cover	After the ink absorber counter is
(6)	Side cover L	reset, the counter value is printed
(7)	Scanner stay	automatically.

(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.		1.	Apply grease to the sliding
(11)	Logic board ass'y		portions of the carriage rail.
(12)	Right chassis (together with the card board ass'y		[See 3-4. Grease Application, for
and PictBridge board unit)			details.]
(13)	Timing slit strip film
(14)	Carriage rail	In the service mode:
(15)	Carriage unit	2.	Print the integrated inspection
			pattern.
- Keep the timing slit strap (carriage encoder film) free			[See 3-3. Adjustment and Settings

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from stain or damage. When returning the strap, make	in Service Mode, for details.]
sure of its orientation (left and right, front and back).
- See 2-2. Disassembly & Reassembly Procedures, (7)	In the user mode:
Carriage unit removal, for details.	3. Perform automatic print head
	alignment.

Switch	(1) to (10) Same as for the absorber kit procedures.
system unit	(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
Paper feed	(19)	Cassette feed roller unit
motor	(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.)

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

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.

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	(1) to (10) Same as for the absorber kit procedures.		In the service mode:
system unit	(11)	PE sensor board ass'y	1. Print the integrated inspection
	(12)	ASF unit	pattern.
	(13)	Logic board ass'y

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