Canon SADDLE FINISHER K3 Service Manual page 392

3.1.20 E590 (punch rotation)
Punch motor home position sensor (PI22)
1) Is the punch motor home position sensor normal?
NO:
Wiring
2) Is the wiring between the punch motor home position sensor and
NO:
Punch rotation motor (M18)
3) Try rotating the punch motor (using the DIP switch). Is it normal?
NO:
Punch unit
4) Remove the punch unit, and try rotating it by hand. Does it rotate
NO:
Punch driver PCB
5) Try replacing the punch drive PCB. Is the problem corrected?
NO:
YES: End.
3.1.21 E593 (punch registration)
Punch horizontal registration home position sensor (PI24)
1) Is the punch horizontal registration home position sensor normal?
NO:
Horizontal registration mechanism
2) Try sliding the punch unit by hand. Is there any physical resis-
YES: Correct it to remove any physical resistance.
Punch horizontal registration motor (M17)
3) Is the punch horizontal registration motor normal?
NO:
Finisher controller PCB, Punch driver PCB
4) Try replacing the punch driver PCB. Is the problem corrected?
NO:
YES: End.
COPYRIGHT© 2001 CANON INC.
Replace the sensor.
the finisher controller PCB normal?
Correct the wiring.
Replace the punch motor.
smoothly?
Replace the punch unit.
Replace the finisher controller PCB.
Replace the sensor.
tance?
Replace the motor.
Replace the finisher controller PCB.
2000 2000 2000 2000
CHAPTER 5 TROUBLESHOOTING
CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001
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