
4
4
4-163
4-163
Disassembly/Assembly > Controller System > Removing the Engine Controller PCB (MF4870dn/MF4830d) > Proce
d
ure
Disassembly/Assembly > Controller System > Removing the Engine Controller PCB (MF4870dn/MF4830d) > Proce
d
ure
Caution:
When mounting the main fan, attach the harness [2] to the upper-right side of the
fan with the fan label [1] facing inwards.
[1]
[2]
F-4-400
Removing the Engine Controller 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
(MF4870dn)
1)Remove the main controller mounting plate[1]
• 4 screws(with washer)[2]
• 2 screws(black TP)[3]
x6
[1]
[2]
[3]
[2]
(MF4830d)
1)Remove the main controller mounting plate[1]
• 1 screw(with washer)[2]
• 1 screw(black TP)[3]
F-4-401
Summary of Contents for imageCLASS MF4890dw
Page 470: ...5 5 Adjustment Adjustment Mechanical Adjustment...
Page 480: ...7 7 Error Codes Error Codes Overview Error Codes...
Page 484: ...8 8 Service Mode Service Mode Overview COPIER FEEDER FAX TESTMODE...
Page 501: ...Service Tools Solvent Oil List General Circuit Diagram General Timing Chart Appendix...