Canon FINISHER-C1 Service Manual page 204

CHAPTER 6 TROUBLESHOOTING
5. E5F4/E5F5 (faulty stitcher; detail code 01/02)
Cause
Stitcher (installation)
Stitching home position
switch (PS4S/PS2S)
Saddle stitcher controller PCB
Stitcher motor (M7S/M6S)
6. E5F6 (faulty paper pushing plate motor; detail code 01/02)
Cause
Paper pushing plate home
position sensor (PI4S)
Saddle stitcher controller PCB
Paper pushing plate motor
(M8S)
Saddle stitcher controller PCB
6-32 COPYRIGHT © 1998 CANON INC.
Step Checks
Are the front and rear stitchers
1
and bases installed correctly?
Is the stitching home position
2
switche of the front and the rear
stitchers normal?
Do the front and the rear stitchers
3
operate at a specific timing?
Step Checks
Check the paper pushing plate
1
home position sensor. Is the
sensor normal?
Does the paper pushing plate
2
motor operate at a specific
timing?
Replace the paper pushing plate
3
motor. Is the problem corrected?
FINISHER-C1/SADDLE FINISHER-C2 REV. 0 DEC. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
Yes/No Action
Install them correctly.
No
Replace the front or rear stitcher.
No
Check the wiring between the
Yes
stitcher and the saddle stitcher
controller PCB; if normal,
replace the controller PCB.
Replace the front or the rear
No
stitcher.
Yes/No Action
Replace the sensor.
No
Replace the saddle stitcher
Yes
controller PCB.
Check the paper pushing plate
No
drive mechanisms. If a fault is
found, correct it; otherwise, go to
step 3.
End.
Yes
Replace the saddle stitcher
No
controller PCB.