Removing The Engine Controller Pcb(Mf4820D); Preparation; Procedure - Canon imageCLASS MF4890dw Service Manual

4
Disassembly/Assembly > Controller System > Removing the Engine Controller PCB(MF4820d) > Procedure
7)Remove the main motor[1]
2 screws(with washer)[2]
x2
Caution:
When installing the main motor, be sure to install the harness[1] to the upper side of
the motor.
4 Disassembly/Assembly > Controller System > Removing the Engine Controller PCB(MF4820d) > Procedure
[1]
[2]
F-4-456
[1]
F-4-457

Removing the Engine Controller PCB(MF4820d)

■ Preparation

1) Remove the left cover
2)Remove the copyboard cover and reader unit.
3)Remove the right cover
4)Remove the front cover unit.
5)Remove the upper cover.
6)Remove the duplex feed unit.
7)Remove the main controller PCB

■ Procedure

1)Remove the main controller mounting plate[1]
• 1 screw(with washer)[2]
• 1 screw(black TP)[3]
x2
[1]
4-181
[3] [2]
F-4-458
4-181