Procedure; Removing The Main Controller Pcb(Mf4890Dw/Mf4880Dw); Preparation; Removing The Fax Ncu Pcb(Mf4890Dw/Mf4880Dw) - Canon imageCLASS MF4890dw Service Manual

4
Disassembly/Assembly > Controller System > Removing the FAX NCU PCB(MF4890dw/MF4880dw) > Procedure
Removing the Main Controller PCB(MF4890dw/
MF4880dw)

■ Preparation

1) Remove the left cover

■ Procedure

1)Remove the 3 flat cables[1] and 3 connectors[2].
x6
[1]
2)Remove the main controller PCB[1].
• 1 screw(bind)[2]
• 4 screws(black TP)[3]
[3]
x5
[2]
[3]
4 Disassembly/Assembly > Controller System > Removing the FAX NCU PCB(MF4890dw/MF4880dw) > Procedure
[2]
F-4-345
[1]
[3]
F-4-346

Removing the FAX NCU PCB(MF4890dw/MF4880dw)

■ Preparation
1) Remove the left cover
■ Procedure
1)Remove the FAX NCU PCB[1]
• 1 flat cable[2]
• 2 connectors[3]
• 1 protrusion[4]
• 3 screws[5]
x4
[3]
x3
[1]
[5] [4]
4-145
[2] [5]
[5]
F-4-347
4-145