Canon imageCLASS MF4890dw Service Manual page 240

4
Disassembly/Assembly > Controller System > Removing the Engine Controller PCB (MF4870dn/MF4830d) > Procedure
x2
[1]
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]
4 Disassembly/Assembly > Controller System > Removing the Engine Controller PCB (MF4870dn/MF4830d) > Procedure
[3] [2]
F-4-402
[2] [B]
Caution:
When connecting the terminal[1], be sure that the contact spring[2] is in contact with
it.
3)Remove the harness spring[1] from the hook[2], and free the harness[3] from the guide[A].
F-4-403
[1]
[2]
F-4-404
[1]
[2]
4-164
[3]
[A]
F-4-405
4-164