Canon Booklet Trimmer-A1 Service Manual page 124

CHAPTER 5 TROUBLESHOOTING
E5A4
Main cause The press motor fails to operate normally.
1. It does not reach HP within a specific period of time, after the press mo-
2. It does not reach press position within a specific period of time, after the
Method of
detection
1. When it moves from the start of operation to HP, the press HP sensor
2. When it moves from the start of operation to HP, the press HP sensor
Action to
take 1. Turn off and on the trimmer (i.e., disconnect and connect the power
2. Turn off and on the host machine.
3. Execute 'press motor test' in service mode to check the operation.
4. Check the contact of the harness between the trimmer drive PCB (con-
5. Check the contact of the press motor relay harness connected to the trim-
6. Check the contact of the press HP sensor relay harness connected to the
7. Check the contact of the front door open/closed microswitch MS2 and
8. Replace the press HP sensor (PS105).
9. Replace the press motor (M105).
10. Replace the trimmer drive PCB.
11. Replace the DC controller PCB.
5-8
tor starts to operate.
press motor starts to operate.
does not go ON within a specific period of time (3 sec).
does not go OFF within a specific period of time (3 sec).
cable).
nector: CN401) and the DC controller PCB (connector: J1); if needed,
replace the harness.
mer drive PCB (connector: CN403); if needed, replace the harness.
trimmer drive PCB (connector: CN403); if needed, replace the harness.
the stacker door open/closed microswitch MS3/4; if needed, replace the
harness.
COPYRIGHT© 2002 CANON INC. 2000 CANON BOOKLET TRIMMER-A1 REV.0 FEB. 2002