Removing The Laser Scanner Unit (L418S/L410/L190); Preparation; Procedure - Canon imageCLASS MF4890dw Service Manual

4
Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit (L418S/L410/L190) > Procedure

Removing the Laser Scanner Unit (L418S/L410/L190)

■ Preparation

1)Remove the left cover.
2)Remove the DADF unit and reader unit.
3)Remove the right cover.
4)Remove the front cover unit.
5)Remove the upper cover

■ Procedure

Caution:
Do not disassemble the laser scanner unit because adjustment is required.
1)Remove the 2 connectors[1] and 2 flat cables[2], and put them through the hole[A] of the
left side plate to the inside.
[A]
x4
[2]
[1]
Caution:
When removing the scanner cover, be sure to disconnect the flat cable in advance
to prevent damage to the cable
4 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit (L418S/L410/L190) > Procedure
[A]
F-4-750
2)Remove the scanner cover[1]
• 2 screws(black TP)[2]
Caution:
When removing the scanner cover, be sure that the cover does not get under[A] part
of the right side plate.
[A]
[1]
x2
4-278
[A]
[1]
[2]
[1]
F-4-751
4-278