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III. TROUBLESHOOTING
1.
E500 (fault in communication between copier and finisher)
Cause
Finisher controller
PCB, DC controller
(copier)
Wiring
Finisher controller
PCB, DC controller
(copier)
2.
E512 (fault in the delivery motor M1)
Cause
Delivery roller
Wiring
Delivery motor clock
sensor (S1)
Delivery motor (M1)
Finisher controller
PCB
COPYRIGHT © 1999 CANON INC.
Step
Checks
1
Turn on and off the copier's power
switch. Is the problem corrected?
2
Is the wiring of the finisher controller
PCB and the DC controller PCB of
the copier normal?
3
Replace the finisher controller PCB
and the DC controller PCB of the
copier. Is the problem corrected?
Step
Checks
1
Turn the delivery roller by hand.
Does it rotate smoothly?
2
Is the wiring between the finisher
controller PCB and the delivery
motor (M1) normal?
3
Is the delivery motor clock sensor
(S1) normal?
4
Replace the delivery motor (M1). Is
the problem corrected?
CANON FINISHER-E1 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 TROUBLESHOOTING
Yes/No
Yes
End.
No
Correct the wiring.
Yes
End.
Yes/No
No
Correct the
mechanical
workings.
No
Correct the wiring.
No
Replace the sensor.
Yes
End.
No
Replace the finisher
controller PCB.
Action
Action
5-15
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