Canon imageCLASS MF4890dw Service Manual page 246

4
Disassembly/Assembly > Controller System > Removing the Fixing Delivery/Paper Width Sensor PCB(MF4870dn/MF4830d) > Procedure
(MF4870dn)
1)Remove the main controller mounting plate[1]
• 4 screws(with washer)[2]
• 2 screws(black TP)[3]
[1]
x6
[3]
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 Fixing Delivery/Paper Width Sensor PCB(MF4870dn/MF4830d) > Procedure
[2]
[2]
F-4-422
[2] [B]
F-4-423
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].
[1]
[2]
4-170
[1]
[2]
F-4-424
[3]
[A]
F-4-425
4-170