COPYRIGHT© 2001 CANON INC.
2000 2000 2000 2000
CANON SADDLE FINISHER K3/K4 REV.0 MAR. 2001
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CHAPTER 5 TROUBLESHOOTING
3.1.9 E532 (stapler shift motor M10)
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1) Does the stapler shift at the correct timing?
YES: Go to step 2.
NO:
Go to step 3.
Stapler shift home position sensor (PI16), Finisher controller PCB
2) Try shifting the stapler by hand. Does the state of J110B-12 (+) of
the finisher controller PCB change?
NO:
Check the power to the sensor; if good, replace the sensor. If not
good, replace the finisher controller PCB.
Finisher controller PCB
3) Is 24 VSTP supplied to J113-1 (+) of the finisher controller PCB?
YES: Replace the finisher controller PCB.
Wiring
4) Is 24 VSTP supplied by J719-1 (+) of the fuse PCB?
YES: Correct the wiring.
Stapler safety switch (front; MSW6), Stapler safety switch (rear; MSW7),
Front door switch (MSW2)
5) Are the three microswitches in the power route to the stapler nor-
mal?
NO:
Corer the wiring.
Switching regulator, Wiring
6) Is 2 VSTP present at J719 (+) of the switching regulator?
NO:
Replace the switching regulator.
YES: Check the wiring from the switching regulator to the fuse PCB; if
normal, replace the motor.
