Canon MX883, Service Manual

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2. REPAIR
2-1. Major Replacement Parts and Adjustment
MX880 series TABLE OF CONTENTS
Service
part
Recommended removal procedure
*1
/
Notes on replacement
Adjustment / settings / operation check
Logic
board ass'y (1) Cassette unit
(2) Left and right side covers
(3) Document pressure plate unit
(4) Scanner unit
(5) Main case
(6) Rear cover
(7) 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.
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) Cassette unit
(2) Left and right side covers
(3) Document pressure plate unit
(4) Scanner unit
(5) Main case
(6) Rear cover
(7) Print unit
(8) Ink absorber
- See 2-2. Disassembly & Reassembly
Procedures, (3) Printer unit removal & Ink
absorber replacement,
for details.
In the service mode:
1. Reset the ink absorber counter.
After the ink absorber counter is reset, the
counter value is printed automatically
[See
3-3. Adjustment and Settings in Service
Mode , for details.].
Carriage
unit (1) Cassette unit
(2) Left and right side covers
(3) Document pressure plate unit
(4) Scanner unit
(5) Main case
(6) Rear cover
(7) Timing slit strap
- Before removal of the carriage rail, put a
mark of the carriage rail position.
(8) Carriage rail
(9) Carriage unit
1. Apply grease to the sliding portions of the
carriage rail.
[See
3-5. Grease Application , for details.]
In the service mode:
2. Print the integrated inspection pattern.
[See 3-3. Adjustment and Settings in Service
Mode , for details.]
In the user mode:
3. Perform automatic print head alignment.
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