Canon 1130 Service Manual page 695

CHAPTER 13 TROUBLESHOOTING
21 E072
· Check the detail code in service mode (COPIER>DISPLAY>ERR).
a. E072=0002
Cause
Transfer drum
cleaner brush
motor (M8)
Registration path
driver PCB
DC driver PCB,
CPU PCB
b. E072=0003
Cause
Polishing roller
drive system
Polishing roller
motor (M9)
DC driver PCB,
CPU PCB
c. E072=0202
Cause
Attraction/transfer
locking cam HP
sensor (PS8)
Attraction brush,
transfer blade,
internal brush
Attraction/transfer
locking cam
motor (PM7)
Transfer driver
PCB
DC driver PCB,
CPU PCB
13-118
COPYRIGHT © 2002 CANON INC.
Step Checks
1 Replace the transfer drum cleaner
brush motor. Is the problem
corrected?
2 Set the meter range to 12 VDC, and
press the Start
voltage between J1013-B14
(TRCMON; +5V) and J1013-B12
(-) on the DC driver PCB change
from 0 to 5 V when rotation starts?
Step Checks
1 Does the polishing roller drive
system have a fault? Or, is it
subjected to overload?
2 Replace the polishing roller motor.
Is the problem corrected?
Step Checks
1 Is the attraction/transfer locking
cam HP sensor normal?
2 Does the rotation assembly of the
attraction brush, transfer blade, or
internal brush have a fault?
3 Replace the attraction/transfer
locking cam motor. Is the problem
corrected?
4 Replace the transfer driver PCB. Is
the problem corrected?
CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
key. Does the
Yes/No Action
YES End.
YES Replace the registration
path driver PCB.
NO Replace the DC
PCB or the CPU PCB.
(After replacement,
execute the work under
II. H. 10. or II. H. 1.)
Yes/No Action
YES Replace the faulty part.
Further, remove the
cause of the fault.
YES End.
NO Replace the DC driver
PCB or the CPU PCB.
(After replacement,
execute the work under
II. H. 10. or II. H. 1.)
Yes/No Action
NO Replace the sensor
(PS8).
YES Remove the cause of the
fault, and replace any
faulty part.
YES End.
YES End.
NO Replace the DC driver
PCB or the CPU PCB.
(After replacement,
execute the work under
II. H. 10. or II. H. 1.)
driver