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Repair - Canon MX860 Service Manual

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MX860 / MX868

3. REPAIR

3-1. Major Replacement Parts (and Notes on Disassembling / Reassembling)
Est. time
Service
required
part
(min.)
Logic board
15
ass'y
Absorber kit
15
Carriage
20
unit
Recommended removal
procedure / Notes on
replacement
(1) Right cover
(2) Logic board
- 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 ink
absorber counter value (by service
test print or EEPROM information
print).
(1) Right cover
(2) Left cover
(3) Document cover / Scanning unit
(cover)
(4) Main case
(5) Printer unit
(6) Absorber kit
(1) Right cover
(2) Left cover
(3) Document cover / Scanning unit
(cover)
(4) Main case
(5) Printer unit
(6) Logic board / PE sensor
(7) ASF unit
(8) Carriage unit
Adjustment / settings
*1
After replacement:
1. Initialize the EEPROM.
2. Set the ink absorber
counter value.
3. Set the destination in the
EEPROM.
4. Correct the CD / DVD
and automatic print head
alignment sensors.
5. Check the ink system
function.
6. Perform LF / Eject
correction.
7. Perform button and LCD
test.
Perform 1 to 7 in the
service mode.
[See
4-2. Service
for details.]
8. Perform print head
alignment and LCD
language setting in the
user mode.
After replacement:
1. Reset the ink absorber
counter.
[See
4-2. Service
for details.]
At replacement:
1. Before removal of the
carriage rail, mark the
carriage rail position.
[See
4-5. Special Notes
on Servicing, (3)
Carriage unit
replacement,
2. Apply grease to the
sliding portions of the
carriage rail.
[See
4-4. Grease
Application, for details.]
3. Check the ink system
function.
[See
4-2. Service
for details.]
4. Perform print head
20 / 64
TABLE OF CONTENTS
Operation check
- EEPROM information
print
- Service test print
- Printing via USB
connection
- Copying
- Direct printing from a
digital camera
(PictBridge)
Mode,
- Ink absorber counter
value print (After the ink
absorber counter is reset,
Mode,
the counter value is
printed automatically.)
- Service test print
(Confirm ink system
function.)
for details.]
Mode,

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This manual is also suitable for:

Mx868