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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
13-83
CHAPTER 13 TROUBLESHOOTING
2 E001
Step
1
2
Action
Replace the SSR.
End.
Replace the DC
controller PCB.
Checks
Keep the power switch off to cool the
upper fixing roller sufficiently; during
this time, check each thermistor for dirt
on the surface, mounting, and connection.
Turn on the power switch, and clear
E001; then, turn off and then on the
power switch.
Select COPIER>DISPLAY>ANALOG in
service mode. Are the readings of both
FIX-C and FIX-E 200°C or higher?
Replace the thermistor. Is the problem
corrected?
Yes/No
YES
YES
NO
Cause
SSR
(short circuit)
Thermistor
(TH1/TH2)
DC controller
PCB
4 E003
Step
1
2
3
4
5
6
Action
See the descriptions for
the item in question.
Correct the
connections.
Mount the thermistor
properly.
End.
End.
End.
Replace the DC
controller PCB.
Checks
Turn on the power switch, and clear
E002/E003; then, turn off and then on the
power switch. Is any of the following
true?
• The fixing heater fails to operate.
• E002 or E003 is indicated.
Is the contact of the connector on the DC
controller PCB and the connectors inside
the fixing assembly good? Further, is the
wiring from the thermistor to the DC
controller PCB good?
Is the thermistor in even contact with the
upper fixing roller?
Clean the contact face of the thermistor. Is
the problem corrected?
Replace the thermistor. Is the problem
corrected?
Replace the heater. Is the problem
corrected?
Yes/No
YES
NO
NO
YES
YES
YES
NO
Cause
Main thermistor
(TH1; mounting)
Main thermistor
(TH1; dirt)
Main thermistor
(TH; faulty)
DC controller
PBC
3 E002