Removing The Main Controller Pcb (L418S/L410/L190); Preparation; Procedure - Canon imageCLASS MF4890dw Service Manual

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Disassembly/Assembly > Controller System > Removing the Main Controller PCB (L418S/L410/L190) > Procedure
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].
[2]
[3]
Ensure that the switch arm [1] can move vertically.
[1]
4 Disassembly/Assembly > Controller System > Removing the Main Controller PCB (L418S/L410/L190) > Procedure
[2]
[3]
[1]
[2]
[3]
F-4-689

Removing the Main Controller PCB (L418S/L410/L190)

■ Preparation

1) Remove the left cover

■ Procedure

1)Remove the 4 flat cables[1] and 6 connectors[2].
x10
2)Remove the main controller PCB[1].
• 5 screws(black TP)[3]
x5
[1] [2] [1]
[1] [2]
F-4-690
[1] [2]
[2]
[2]
F-4-691
4-258
4-258