Canon imageCLASS MF4890dw Service Manual page 182

4
Disassembly/Assembly > Document Exposure/Feeder System > Removing the Flatbed Motor Unit(MF4780w/MF4770n/MF4750/MF4730) > Procedure
1)Move the CIS unit[1].
2)Move the gear[1], and remove the belt[2] from the gear[3]
Caution.
Grease is applied on the shaft[1] of the contact sensor, so be careful not to let the
belt[2] come in contact with the shaft.
[2]
[1]
4 Disassembly/Assembly > Document Exposure/Feeder System > Removing the Flatbed Motor Unit(MF4780w/MF4770n/MF4750/MF4730) > Procedure
[1]
F-4-251
[2]
[3]
3)Remove the guide cover[1]
4)Free the harness[1] and the grounding wire[2] from the hole[A] of the reader unit and the
harness guide[B]
[A]
[2] [1]
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[1]
F-4-252
[1]
F-4-253
[B]
F-4-254
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