Canon SADDLE FINISHER K3 Service Manual page 401

CHAPTER 5 TROUBLESHOOTING
3.2.9 E5F7 (saddle tray motor)
Saddle tray home position sensor (PI41)
1) Check the saddle tray home position sensor. Is the sensor normal?
NO:
Saddle stitcher controller PCB
2) Does the stacking wall operate at the correct timing?
YES: Replace the saddle stitcher controller PCB.
NO:
Saddle tray motor (M20)
3) Replace the saddle stitcher controller PCB.
NO:
4) Try replacing the saddle tray motor. Is the problem corrected?
YES: End.
NO:
Saddle stitcher controller PCB
5) Try replacing the saddle tray motor. Is the problem corrected?
YES: End.
NO:
3.2.10 E5F8 (sensor connector; detail code 01)
Guide home position sensor (PI54; connector)
1) Are the connectors of the guide home position sensor and the saddle
NO:
Wiring
2) Is the circuit wiring between the sensor and the saddle stitcher bro-
YES: Correct the wiring.
Power supply
3) Is 5 VDC present at J9-7 of the saddle stitcher controller PCB?
NO:
Ground
4) Is J9-8 of the saddle stitcher controller PCB connected to ground
NO:
5-94
COPYRIGHT© 2001 CANON INC.
Replace the sensor.
Check the stacking wall drive mechanism, and correct any fault; if
normal, go to step 3.
Check the stacking wall drive mechanism, and correct any fault; if
normal, go to step 3.
Replace the saddle stitcher controller PCB.
Replace the saddle stitcher controller PCB.
stitcher controller PCB connected?
Connector the connectors.
ken?
Replace the saddle stitcher controller PCB.
correctly?
Replace the saddle stitcher controller PCB.
2000 2000 2000 2000 CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001