Troubleshooting; Finisher Unit - Canon FINISHER-C1 Service Manual

CHAPTER 6 TROUBLESHOOTING
III. TROUBLESHOOTING
A.

Finisher Unit

1. E500 (fault in communication with copier)
Cause
Finisher controller PCB,
Copier DC controller PCB
Wiring
Finisher controller PCB,
Copier DC controller PCB
2. E503 (communication with saddle stitcher unit)
Cause
Finisher controller PCB,
Saddle stitcher controller PCB
Wiring
Power supply
Saddle stitcher controller PCB
3. E504 (faulty height sensor; detail code 01/02)
Cause
Finisher controller PCB
Wiring
Power supply
Height sensor (PS1)
6-22 COPYRIGHT © 1998 CANON INC.
Step Checks
Turn off and then on the copier. Is
1
the problem corrected?
Is the wiring between the finisher
2
controller PCB and the copier
controller PCB normal?
Replace the finisher controller
3
PCB and the copier DC controller
PCB. Is the problem corrected?
Step Checks
Turn off and then on the copier. Is
1
the problem corrected?
Is the wiring between the finisher
2
controller PCB and the saddle
stitcher controller PCB normal?
Measure the voltage between J3-2
3
(+) and J3-1 (-) on the finisher
controller PCB. Is it 24 VDC?
Step Checks
Turn off and then on the copier. Is
1
the problem corrected?
Is the wiring between the finisher
2
controller PCB and the sensors
normal?
Measure the voltage between J6-2
3
(+) and J6-4 (-) on the finisher
controller. Is it 5 VDC?
FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Yes/No Action
End.
Yes
Correct it.
Yes
End.
Yes
Yes/No Action
End.
Yes
Correct it.
Yes
Replace the finisher controller
No
PCB.
Replace the saddle stitcher
Yes
controller PCB.
Yes/No Action
End.
Yes
Correct the wiring.
No
Replace the finisher controller
No
PCB.
Adjust the height sensor once
Yes
again. If an error occurs again,
replace the height sensor.