User's Manual

2. E001
3. E002, E003
COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
10-64
CHAPTER 10 TROUBLESHOOTING
Checks
Disconnect the connector (J4) of
the fixing heater, and press the
power switch while holding down
the service mode switch. (This
clears E001; about 2 sec later,
the power switch turns off
automatically.) Let the fixing
assembly cool sufficiently; then,
disconnect J4. Is the resistance
between J47-1 and -2 about 0
and the resistance between J47-3
and-4 about 0 ?
Replace the fixing heater driver
PCB. Is the problem corrected?
Cause
Thermistor
Fixing heater
driver PCB
DC controller
PCB
Step
1
2
Results
YES
YES
NO
Action
Replace the fixing upper
unit.
End.
Replace the DC
controller PCB.
Checks
Disconnect the connector (J4) of
the fixing heater, and press the
power switch while pressing the
service mode switch. (This clears
the E code; about 2 sec later, the
power switch turns off
automatically.) Turn on the power
switch; is E000 indicated?
Is the wiring between J304 and
J47 on the DC controller PCB
proper?
Replace the DC controller PCB. Is
the problem corrected?
Cause
Wiring
DC controller
PCB
Fixing heater
driver PCB
Step
1
2
3
Results
YES
NO
YES
NO
Action
See the descriptions
under “E000.”
Correct the wiring.
End.
Replace the fixing heater
driver PCB.