Canon imageCLASS MF4890dw, Service Manual, Page: 219 / 511

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4
4-143
4-143
Disassembly/Assembly > Controller System > Removing the Engine Controller PCB(MF4890dw/MF4880dw) > Proce
d
ure
Disassembly/Assembly > Controller System > Removing the Engine Controller PCB(MF4890dw/MF4880dw) > Proce
d
ure
2)Disconnect the terminal[1], free the harness[2] from the harness guide[A], and then put it
through the hole[B].
[1] [2]
[A]
[2] [B]
Caution:
When connecting the terminal[1], be sure that the contact spring[2] is in contact with
it.
[2]
[1]
F-4-340
F-4-339
3)Remove the harness spring[1] from the hook[2], and free the harness[3] from the guide[A].
[1]
[2]
[3]
[A]
4)Remove the harness retaining spring[1], and free the harness from the guide[A].
• 2 flat cables[2]
7
[1]
[2]
[3]
[3]
[3]
[A]
x9
[3]
connectors[3]
F-4-341
F-4-342