Canon PIXMA MX870 Service Manual page 25

Paper (4) Scanner unit
feed (5) Main case
motor (6) Rear cover
(7) Print unit
(8) See
- 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.)
- See
Purge drive system unit (right plate) and
switch system unit (left plate)
details.
- See
Engine unit
Platen 30 (1) Cassette unit
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) See
from this step.
Spur unit 30 (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) See
- DO NOT contact the spur edges.
Purge 30 (1) Cassette unit
drive (2) Left and right side covers
system (3) Document pressure plate unit
unit (4) Scanner unit
(5) Main case
(6) Rear cover
(7) Print unit
(8) See
- See
Purge drive system unit (right plate) and
switch system unit (left plate)
details.
- See
Engine unit
Carriage 30 See 3-2. Part Replacement
rail and Parts Catalog.
main
chassis
Idler 30
pulley
parallel
pin
APP code 30
3-2. Part Replacement Procedures.
3-2. Part Replacement Procedures, (9)
removal, for
3-2. Part Replacement Procedures, (10)
reassembly, for details.
3-2. Part Replacement Procedures,
3-2. Part Replacement Procedures.
3-2. Part Replacement Procedures.
3-2. Part Replacement Procedures, (9)
removal, for
3-2. Part Replacement Procedures, (10)
reassembly, for details.
Procedures, and
(2) Paper feed motor
details.]
After replacement:
1. Perform LF / Eject correction in the
service mode (only when uneven
printing or streaks appear on printouts
after replacement).
[See 4-2. Service
After replacement:
1. Check the ink system function.
2. Perform LF / Eject correction in the
service mode (only when uneven
printing or streaks appear on printouts
after replacement).
[See 4-2. Service
After replacement:
1. Confirm the purging operation and the
machine operation.
[See 4-6. Verification After Repair
details.]
At replacement:
1. Apply grease to the sliding portions.
[See 4-4. Grease
details.]
22 / 63
adjustment, for - Service test
print
- EEPROM
information
print
- Service test
print
Mode, for details.]
- EEPROM
information
print
- Service test
print
Mode, for details.]
- Service test
print
for
- Service test
print
Application, for