Procedure; Removing The Wireless Lan Pcb(Mf4890Dw Only); Preparation; Removing The Paper Leading Edge Sensor Pcb(Mf4890Dw/Mf4880Dw) - Canon imageCLASS MF4890dw Service Manual

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Disassembly/Assembly > Controller System > Removing the Paper Leading Edge Sensor PCB(MF4890dw/MF4880dw) > Procedure
Removing the Wireless LAN PCB(MF4890dw/MF4880dw)

■ Preparation

1) Remove the left cover

■ Procedure

1)Remove the wireless LAN PCB.
• 1 flat cable[2]
• 1 screw[3]
[2]
4 Disassembly/Assembly > Controller System > Removing the Paper Leading Edge Sensor PCB(MF4890dw/MF4880dw) > Procedure
[1]
[3]
F-4-348
Removing the Paper Leading Edge Sensor
PCB(MF4890dw/MF4880dw)
■ Preparation
1) Remove the left cover
2)Remove the DADF unit 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
8)Remove the FAX NCU PCB.
9)Remove the wireless LAN PCB.
■ Procedure
1)Remove the main controller mounting plate[1]
• 4 screws(with washers)[2]
• 2 screws(black TP)[3]
[1]
x6
[3]
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[2]
[2]
F-4-349
4-146