Canon imageCLASS MF4890dw, Service Manual, Page: 220 / 511

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Disassembly/Assembly > Controller System > Removing the Engine Controller PCB(MF4890dw/MF4880dw) > Proce
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Disassembly/Assembly > Controller System > Removing the Engine Controller PCB(MF4890dw/MF4880dw) > Proce
d
ure
5)Remove the engine controller PCB[1].
• 2 screws(with washers)[2]
• 1 screw(with tooth lock washer)[3]
• 1 screw(black TP)[4]
• 1 hook[5]
[1] [5]
[2]
[3]
[4]
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Caution:
When reassembling, attach the engine controller PCB to the hook [1] and then
mount the switchboard [3] to the lower side of the switch arm [2].
[3]
[1]
[2]
[3]
[2] [2]
[3]
Ensure that the switch arm [1] can move vertically.
[1]
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