COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001
5-83
CHAPTER 5 TROUBLESHOOTING
3.1.14 E542 (tray B lift motor M12; during operation)
36 VDC
1) Is 36 VDC present at J109A-8, -9, and -10 of the finisher controller
PCB?
NO:
Check the power route of 36 VDC, and correct any fault. Check the
tray safety switch (front, rear: MSW6, 7).
Tray lifter mechanism
2) Is there a fault or an obstacle in the tray lifter mechanism?
YES: Remove the fault and the obstacle, if any.
Tray B lifter motor (M12)
3) Does the tray lifter motor rotate at the correct timing?
NO:
Replace the motor and the tray B lifter motor driver PCB.
Tray B lock sensor (PI18)
4) Is the tray B lock sensor normal?
NO:
Replace the sensor.
3.1.15 E551 (activation power supply fan FM1; detail code 01)
Finisher controller PCB
1) Is the level of J103-7 on the finisher controller PCB 0?
NO:
Replace the finisher controller PCB.
Fuse PCB
2) Is the voltage of J715-1 of the fuse PCB 24 VDC?
NO:
Replace the fuse PCB.
Power supply fan (FM1)
3) Does the power supply fan rotate?
NO:
Replace the power supply fan.
Finisher controller PCB
4) Is the level of J103-6 of the finisher controller PCB 1?
NO:
Replace the power supply fan.
YES: Replace the finisher controller PCB.
3.1.16 E551 (activation feeder cooling fan FM2; detail code 02)
Feeder cooling fan (FM2)
1) Does the punch fan rotate (during punching operation)?
NO:
Replace the punch fan.
Finisher controller PCB
2) Is the level of J118B-12 on the finisher controller PCB 1?
NO:
Replace the punch fan.
YES: Replace the finisher controller PCB.