Canon PIXMA iP4000R Service Manual - Page 13

Chp.3: Repair, 3.1 Service Part Replacement, REPAIR

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3. REPAIR 3-1. Notes on Service Part Replacement (and Disassembling / Reassembling) Service part Logic board ass'y QM2-1548 Notes on replacement*1 Adjustment / settings Operation check - 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. After replacement: 1. Initialize the EEPROM. 2. Reset the waste ink counter. 3. Set the destination in the EEPROM. 4. Correct the CD-R and automatic print head alignment sensors. [See 3-3. Adjustment / Settings, (6) Service mode, for details of 1 to 4] 5. Perform the print head alignment in the user mode. - EEPROM information print - Service test print - Printing via parallel or USB connection - Direct printing from a digital camera [See 3-3. Adjustment / Settings, (6) Service mode, for details.] Bottom case unit QM2-1205 Ink absorber QC1-4222 / 4223 / 4224 / 4263 / 4264 / 4864 / 4221 / 4257 Carriage unit QM2-1209 After replacement: 1. Reset the waste ink counter. [See 3.3. Adjustment / Settings, (6) Service mode.] - Service test print At replacement: 1. Apply grease to the sliding portions. [See 3-3. Adjustment / Settings, (3) Grease application.] After replacement: - Service test print (Confirm CD-R and automatic print head alignment sensor correction.) 1. Correct the CD-R and automatic print head alignment sensors. [See 3.3. Adjustment / Settings, (6) Service mode.] 2. Perform the print head alignment in the user mode. Paper feed motor unit QK1-0550 - The red screws securing the paper feed At replacement: motor are allowed to be loosened. (DO 1. Adjust the paper feed motor. NOT loosen any other red screws.) [See 3-3. Adjustment / Settings, (1) Paper feed motor adjustment.] 1 - 8

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3.
REPAIR
3-1.
Notes on Service Part Replacement (and Disassembling / Reassembling)
Service part
Notes on replacement
*1
Adjustment / settings
Operation check
Logic board ass'y
QM2-1548
- 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.
[See 3
-
3. Adjustment / Settings, (6)
Service mode, for details.]
After replacement:
1.
Initialize the EEPROM.
2.
Reset the waste ink counter.
3.
Set the destination in the EEPROM.
4.
Correct the CD-R and automatic print
head alignment sensors.
[See 3
-
3. Adjustment / Settings, (6)
Service mode, for details of 1 to 4]
5.
Perform the print head alignment in
the user mode.
- EEPROM information print
- Service test print
- Printing via parallel or USB
connection
- Direct printing from a digital camera
Bottom case unit
QM2-1205
After replacement:
1.
Reset the waste ink counter.
[See 3.3. Adjustment / Settings, (6)
Service mode.]
- Service test print
Ink absorber
QC1-4222 / 4223 / 4224 /
4263 / 4264 / 4864 / 4221 /
4257
Carriage unit
QM2-1209
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 sensors.
[See 3.3. Adjustment / Settings, (6)
Service mode.]
2.
Perform the print head alignment in
the user mode.
- Service test print (Confirm CD-R
and automatic print head alignment
sensor correction.)
Paper feed motor unit
QK1-0550
- The red screws securing the paper feed
motor are allowed to be loosened. (DO
NOT loosen any other red screws.)
At replacement:
1.
Adjust the paper feed motor.
[See 3
-
3. Adjustment / Settings, (1)
Paper feed motor adjustment.]
1 - 8