Canon Booklet Trimmer-A1 Service Manual page 123

E5A3
Main cause The rear edge stopper motor fails to operate normally.
1. It does not reach HP within a specific period of time, after the rear edge
2. It does not reach a specific position within a specific period of time, af-
Method of
detection
1. When it moves from the start of operation to HP, the rear edge stopper
2. It does not stop operating within a specific period of time (5 sec), after it
Action to
take 1. Turn off and on the trimmer (i.e., disconnect and connect the power
2. Turn on and off the host machine.
3. Execute 'rear edge stopper motor test' in service mode to check the op-
4. Check the contact between the trimmer drive PCB (connector: CN401)
5. Check the contact of the rear edge stopper motor relay harness con-
6. Check the contact of the rear edge stopper HP sensor relay harness con-
7. Check the contact of the front door open/closed microswitch MS2 and
8. Replace the rear edge stopper sensor (PS103).
9. Replace the rear edge stopper motor (M103).
10. Replace the trimmer drive PCB.
11. Replace the DC controller PCB.
COPYRIGHT© 2002 CANON INC.
stopper motor starts to operate.
ter the rear edge stopper motor stars to operate.
HP sensor does not go ON within a specific period of time (5 sec).
stars to operate.
cable).
eration.
and the trimmer DC controller PCB (connector: J1); if needed, replace
the harness.
nected to the trimmer drive PCB (connector: CN406); if needed, replace
the harness.
nected to the trimmer drive PCB (connector: CN406); if needed, replace
the harness.
the stacker door open/closed microswitch MS3/4; if needed, replace the
harness.
2000 CANON BOOKLET TRIMMER-A1 REV.0 FEB. 2002
CHAPTER 5 TROUBLESHOOTING
5-7