Canon imageCLASS MF4890dw, Service Manual, Page: 245 / 511

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Disassembly/Assembly > Controller System > Removing the Fixing Delivery/Paper Width Sensor PCB(MF4870dn/MF4830d) > Proce
d
ure
Disassembly/Assembly > Controller System > Removing the Fixing Delivery/Paper Width Sensor PCB(MF4870dn/MF4830d) > Proce
d
ure
6)Remove the paper leading edge sensor PCB[1]
• 2 claws[2]
x2
[1]
[2]
[2]
Note:
The below picture shows how to wind the harness.
F-4-420
F-4-419
Removing the Fixing Delivery/Paper Width Sensor
PCB(MF4870dn/MF4830d)
■ Preparation
1) Remove the left cover
2)Remove the SADF 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(MF4870dn)
■ Proce
d
ure
(MF4830d)
1)Remove the main controller mounting plate[1]
• 1 screw(with washer)[2]
• 1 screw(black TP)[3]
x2
[1]
[2] [3]
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