Canon imageCLASS MF4890dw Service Manual page 219

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