COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001
5-85
CHAPTER 5 TROUBLESHOOTING
3.1.20 E590 (punch rotation)
Punch motor home position sensor (PI22)
1) Is the punch motor home position sensor normal?
NO:
Replace the sensor.
Wiring
2) Is the wiring between the punch motor home position sensor and
the finisher controller PCB normal?
NO:
Correct the wiring.
Punch rotation motor (M18)
3) Try rotating the punch motor (using the DIP switch). Is it normal?
NO:
Replace the punch motor.
Punch unit
4) Remove the punch unit, and try rotating it by hand. Does it rotate
smoothly?
NO:
Replace the punch unit.
Punch driver PCB
5) Try replacing the punch drive PCB. Is the problem corrected?
NO:
Replace the finisher controller PCB.
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:
Replace the sensor.
Horizontal registration mechanism
2) Try sliding the punch unit by hand. Is there any physical resis-
tance?
YES: Correct it to remove any physical resistance.
Punch horizontal registration motor (M17)
3) Is the punch horizontal registration motor normal?
NO:
Replace the motor.
Finisher controller PCB, Punch driver PCB
4) Try replacing the punch driver PCB. Is the problem corrected?
NO:
Replace the finisher controller PCB.
YES: End.
