Repair; Notes On Service Part Replacement (And Disassembling / Reassembling) - Canon i960 Service Manual

3. REPAIR

3.1 Notes on Service Part Replacement (and Disassembling / Reassembling)

Service part
Logic board ass'y
(QM2-0786/0812)
Bottom case unit
(QM2-0727)
Ink absorber
(QC1-2232/2233/
2234/2235/2236)
Sheet feeder unit
(QM2-0589)
Carriage unit
(QM2-0729)
Paper feed motor unit
(QM2-0810)
*1
Notes on replacement
- 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.
- Before replacement,
check the waste ink
amount (by service test
print or EEPROM
information print). If the
waste ink amount is 7%
or more, also replace the
bottom case unit or the
ink absorbers when
replacing the logic board
ass'y. See 3.3. Adjustment
/ Settings, (6) Service
mode, for details.
- The red screws securing
the paper feed motor are
allowed to be loosened.
(DO NOT loosen any
other red screws.)
1 - 8
Adjustment / settings
After replacement:
1. Initialize the EEPROM.
2. Reset the waste ink
counter.
3. Set the destination in
the EEPROM.
4. Correct the media
sensor.
5. Correct the CD-R and
automatic print head
alignment sensor.
For details of 1 to 5, see
3.3. Adjustment / Settings,
(6) Service mode.
6. Perform the print head
alignment in the user
mode.
After replacement:
1. Reset the waste ink
counter. See 3.3.
Adjustment / Settings,
(6) Service mode.
After replacement:
1. Correct the media
sensor. See 3.3.
Adjustment / Settings,
(6) Service mode.
At replacement:
1. Apply grease to the
sliding portions. See
3.3. Adjustment /
Settings, (3) Grease
application.
After replacement:
1. Correct the CD-R and
automatic print head
alignment sensor. See
3.3. Adjustment /
Settings, (6) Service
mode.
2. Perform the print head
alignment in the user
mode.
At replacement:
1. Adjust the paper feed
motor. See 3.3.
Adjustment / Settings,
(1) Paper feed motor
adjustment.
Operation check
- EEPROM
information print
- Service test print
- Printing via parallel
or USB connection
- Direct printing
from a digital
camera
- Service test print
- Service test print
(Confirm media
sensor correction.)
- Service test print
(Confirm CD-R
and automatic print
head alignment
sensor correction.)