Periodic Maintenance - Canon MP640 Service Manual

position
adjustment
LF / Eject
correction
Carriage rail
position
adjustment
N CD / DVD print
position
adjustment
N: New adjustment item
*1: Only for CD / DVD printing supported regions.
*2: Install the Service Tool to a pre-registered computer.
- The screws securing the paper feed motor may be loosened only at replacement of the paper feed motor
unit.
- For the automatic print head alignment, use Matte Photo Paper (MP-101), which is packed with the
machine before shipment. If Matte Photo Paper (MP-101) is not available, perform manual print head
alignment using plain paper.

(2) Periodic maintenance

No periodic maintenance is necessary.
(3) Periodic replacement parts
There are no parts in this machine that require periodic replacement by a service engineer.
(4) Replacement consumables
There are no consumables that require replacement by a service engineer.
- At scanner unit replacement glass reference mark (back
- At logic board replacement
- At paper feed roller
replacement
- At logic board replacement
- At platen unit replacement
- At carriage unit replacement
- At carriage unit removal
- At logic board replacement
- When printing shifts from
the correct position
left).
To correct line feeding (LF
roller diameter).
To correct line feeding (eject
roller diameter).
To set the carriage rail to the
original position prior to
removal or replacement of the
carriage unit, put a mark on the
main chassis before removal of
the carriage unit.
To set the center of CD / DVD
printing.
2 / 54
*2
5 min.
Service Tool
Perform in the service (LF
mode. correction
and Eject
correction
is
*2
Service Tool
performed
Perform in the service
at the
mode.
same
time.)
None. 1 min.
*2
Varies
Service Tool
Perform in the service depending
mode. on the
degree of
print shift.