Canon imageCLASS MF4890dw Service Manual page 353

4
Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit (MF4720w/MF4712/MF4710) > Procedure
Caution:
• When mounting the scanner cover, pass the shutter open/close lever [1] through the
hole [A] in the scanner cover.
• Ensure that the shutter open/close lever [1] can move vertically.
4 Disassembly/Assembly > Laser Exposure System > Removing the Laser Scanner Unit (MF4720w/MF4712/MF4710) > Procedure
[A]
[1]
F-4-746
[1]
F-4-747
2) Move the laser scanner unit [1].
• 4 screws [2]
• 1 sponge[3]
x4
3) Remove the laser scanner unit [1].
• 1 flat cable [2]
• 1 connector [3]
x2
[2]
4-277
[2] [2]
[3]
[1]
F-4-748
[3]
[1]
F-4-749
4-277