Canon FINISHER-C1 Service Manual page 195

4. E504 (faulty height sensor; detail code 03)
Cause
Connector
Power supply
Height sensor (PS1)
Wiring
5. E504 (faulty height sensor; detail code 04)
Cause
Adjustment
Wiring
Power supply
Height sensor (PS1)
6. E505 (faulty back-up RAM)
Cause
Finisher controller PCB
COPYRIGHT © 1998 CANON INC.
Step Checks
Is J6 on the finisher controller
1
PCB, J114 on the height sensor,
or J212 on the relay connector
disconnected?
Measure the voltage between J6-2
2
(+) and J6-4 (-) on the finisher
controller PCB. Is it 5 VDC?
Is the wiring between the finisher
3
controller PCB and sensors
normal?
Step Checks
Try making adjustments using the
1
DIP switch. Is the problem
corrected?
Is the wiring between the finisher
2
controller PCB and sensors
normal?
Measure the voltage between J6-2
3
(+) and J6-4 (-) on the finisher
controller PCB . Is it 5 VDC?
Step Checks
Turn off and then on the copier. Is
1
the problem corrected?
Set bits l and 4 on the finisher
2
controller PCB on.
Then perform the height sensor
adjust. Is the problem corrected?
(after it, perform the stapling
position adjustment and the
alignment position adjustment.)
FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 6 TROUBLESHOOTING
Yes/No
Connect the connector.
Yes
Replace the finisher controller
No
PCB.
Replace the height sensor.
Yes
Correct the wiring.
No
Yes/No
End.
Yes
Correct the wiring.
No
Replace the finisher controller
No
PCB.
Replace the height sensor.
Yes
Yes/No
End.
Yes
End.
Yes
No Replace the finisher controller
PCB.
Action
Action
Action
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