Canon 1130 Service Manual page 671

CHAPTER 13 TROUBLESHOOTING
b. E000=0105, 0205, 0120, 0221, 0132, 0232, 0140, 0240, 0150, 0250
Cause
------------
Fixing thermistor
(HTM1 through
THM4; short
circuit)
Fixing thermistor
(THM1 through
THM4; mounting)
Fixing thermistors
(THM1 through
THM4; soiling)
Operating
environment
SSR1
DC driver PCB,
CPU PCB
13-98
COPYRIGHT © 2002 CANON INC.
Step Checks
1 Clear E000, and turn on the power
switch. Does the fixing heater turn
on when the power switch is turned
on?
· Make a visual check. Be user to
turn off the power switch
immediately after a check.
2 Slide out the fixing unit, and let the
fixing roller cool. Then, set the
fixing unit, and turn on the power
switch.
Start service mode, and select
COPIER>DISPLAY>ANALOG.
Does the reading of the
temperature of the following
thermistors (THM1 through
THM4) increase gradually?
FIX-UC: THM1 (fixing upper
roller center)
FIX-LC: THM3 (fixing lower
roller center)
FIX-UE: THM2 (fixing upper
roller ends)
FIX-LE: THM4 (fixing lower
roller ends)
3 Is each fixing thermistor in even
contact with the fixing roller?
4 Clean the area of contact between
each fixing thermistor and the
fixing roller. Is the problem
corrected?
5 Does the problem occur only when
the copier is turned on first time (in
the morning)?
6 Replace SSR1. Is the problem
corrected?
CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
Yes/No Action
NO See IV. 54..
NO Replace the fixing
thermistor in question
properly.
NO Mount the fixing
thermistor in question
properly.
YES End.
YES · Inform the user that
the environment is out
of specification.
· Instruct the user to
wait until the room
becomes warm before
turning on the copier.
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.)