Removing The Fax Ncu Pcb (Mf4780W/Mf4770N/Mf4750/); Preparation; Procedure; Removing The Wireless Lan Pcb (Mf4780W) - Canon imageCLASS MF4890dw Service Manual

4
Disassembly/Assembly > Controller System > Removing the Wireless LAN PCB (MF4780w) > Procedure
Removing the FAX NCU PCB (MF4780w/MF4770n/
MF4750/)

■ 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 Disassembly/Assembly > Controller System > Removing the Wireless LAN PCB (MF4780w) > Procedure
[2] [5]
[5]
F-4-577

Removing the Wireless LAN PCB (MF4780w)

■ Preparation
1) Remove the left cover
■ Procedure
1)Remove the wireless LAN PCB.
• 1 flat cable[2]
• 1 screw[3]
[2]
4-221
[1]
[3]
F-4-578
4-221