Canon imageCLASS MF4890dw Service Manual page 175

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Disassembly/Assembly > Document Exposure/Feeder System > Removing the SADF Pickup Roller 1,2 (MF4780w/MF4770n/MF4750/MF4730) > Procedure
2)Remove the SADF upper cover[1].
2 shafts[2]
[2]
3)Remove the gear[1],bushing[2],2 e-rings[3] and bushing[4]
Caution:
Do not touch the pickup roller surface[1].
[1]
4 Disassembly/Assembly > Document Exposure/Feeder System > Removing the SADF Pickup Roller 1,2 (MF4780w/MF4770n/MF4750/MF4730) > Procedure
4)Remove the pickup roller unit[1].
[1]
5)Remove the spring[1] on the back side of the pickup roller unit.
F-4-238
[1]
[1]
F-4-240
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[1]
F-4-239
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