Canon Pro9000 Mark II Service Manual page 24

Timing 5 (1) External housing
slit strip (2) Timing slit strip film / Timing
film
- Upon contact with the film, wipe
Timing 5
slit disk
- Confirm no grease is on the film.
feed film
- Do not bend the film.
Print 1
head
Sheet 20 (1) External housing
feed unit (2) Printer unit
(3) Logic board ass'y
(4) Sheet feed unit
*1: Not including adjustment time after replacement.
*2: General notes:
- Make sure that the flexible cables and wires in the harness are in the proper position and
connected correctly. See
- Do not drop the ferrite core, which may cause damage.
- Protect electrical parts from damage due to static electricity.
- Before removing a unit, after removing the power cord, allow the printer to sit for approx. 1
minute (for capacitor discharging to protect the logic board ass'y from damages).
- Do not touch the timing slit strip film, timing slit disk feed film, and timing slit disk eject film.
No grease or abrasion is allowed.
- Protect the units from soiled with ink.
- Protect the housing from scratches.
- Exercise caution with the screws, as follows:
i. The screws of the paper feed motor may be loosened only at replacement of the paper
feed motor unit (DO NOT loosen them in other cases). [See
Servicing, (2) Paper feed motor
ii. Before loosening the 2 screws that fix the carriage shaft to the main chassis, mark the
screw positions so that the carriage shaft will be re-attached to the main chassis in its
original position. [See
for details.]
iii. The screws securing the adjustment plate of the eject roller shaft may be loosened
only at replacement of the platen unit (DO NOT loosen them in other cases). [See
Special Notes on Servicing, (4) Platen unit
slit disk feed film
the film with ethanol.
(Wipe off any grease thoroughly
with ethanol.)
3-2. Part Replacement Procedures
adjustment, for details.]
4-4. Special Notes on Servicing, (3) Carriage unit
<3-1. Major Replacement Parts>
After replacement:
1. Perform print head alignment
in the user mode.
2. Perform LF / Eject correction
in the service mode.
[See 4-2. Service
details.]
After replacement:
1. Perform print head alignment
in the user mode.
2. Perform nozzle check pattern
printing in the user mode.
After replacement:
1. Confirm the printer operation.
[See 4-5. Verification After
Repair, for details.]
or the Parts Catalog for details.
4-4. Special Notes on
replacement, for details.]
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- EEPROM
information
print
- Service test
print
Mode, for
- Service test
print
- EEPROM
information
print
- Service test
print
replacement,
4-4.