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