CHAPTER 5 TROUBLESHOOTING
5-30
COPYRIGHT © 1999 CANON INC.
CANON FINISHER - D1 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
III . TROUBLESHOOTING
1.
E500 (communication with the copier)
Cause
Finisher controller PCB,
Copier DC controller
PCB
Fuse PCB
Switching regulator
Wiring
Finisher controller PCB,
Copier DC controller
PCB
Step
1
2
3
4
5
6
Checks
Turn off and on the copier's
power switch. Is the problem
corrected?
Are the communication line
and the grounding line on the
fuse PCB normal?
J716-7 and J717-1
J716-6 and J717-3
J716-4 and J717-4
J716-5 and J717-5
Is the voltage between J85-1
(+) and J85-2 (-) on the
switching regulator 5 V?
Is the wiring between the
finisher controller PCB and
the switching regulator
normal?
Is the wiring between the
copier's DC controller PCB
and the fuse PCB normal?
Replace the finisher
controller PCB. Is the
problem corrected?
Yes/No
Yes
No
No
No
Yes
No
Action
End.
Replace the fuse PCB.
Replace the switching
regulator.
Correct the wiring.
End.
Replace the copier's DC
controller PCB.