Canon Color imageRUNNER C4580 Service Manual - page 238
Chapter 8
8-25
6) Remove the laser unit [3].
- 2 connector[1]
- 4 screws [2]
F-8-32
MEMO:
When attaching the laser unit, tighten the screws in
diagonal sequence for proper balance.
8.4.1.3 After Replacing the Laser Unit
When replacing the laser unit, enter the values
indicated in the label attached on the upper surface of
the new laser unit to the following Service Mode
items.
Laser maker identification
[1] COPIER > ADJUST > LASER > LA-MK-Y/M/
C/K
Laser magnification (Y)
[2] COPIER > ADJUST > LASER > LDADJ1-Y/M/
C/K
[3] COPIER > ADJUST > LASER > LDADJ2-Y/M/
C/K
[4] COPIER > ADJUST > LASER > LDADJ3-Y/M/
C/K
Laser phase difference
[5] COPIER > ADJUST > LASER > LDADJ4-Y/M/
C/K
[6] COPIER > ADJUST > LASER > LDADJ4-Y/M/
C/K
[7] COPIER > ADJUST > LASER > LDADJ4-Y/M/
C/K
F-8-33
[2]
[1]
[1]
[3]
[2]
[2]
[2]
1
0
3
2 7
5 4
7 9
0 0 0 0 1 2 5 6 3 2 9 8 2 F
[2] [3] [4] [5] [6] [7]
[1]