E002; E003 - Canon iR8500 Service Manual

4.1.3 E002

4.1.4 E003

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1) Turn on the power switch, and make the following selections in ser-
YES: See the discussions of the respective item.
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2) Is the contact of the connectors on the DC controller PCB and the
NO:
Main thermistor (TH1)
3) Is the thermistor in even contact with the fixing upper roller?
NO:
Main thermistor (TH1; dirt)
4) Clean the contact face of the thermistor. Is the problem corrected?
YES: End.
Main thermistor (TH1)
5) Try replacing the thermistor. Is the problem corrected?
YES: End.
Fixing heater, DC controller PCB
6) Try replacing the heater. Is the problem corrected?
YES: End.
NO:
COPYRIGHT© 2001 CANON INC.
vice mode to reset E002/E003:
COPIER>FUNCTION>CLEAR>ERR. Then turn off and then on
the power switch. Is any of the following true?
• The fixing heater fails to go on.
• E002 or E003 is indicated.
connector (J505) inside the fixing assembly good? In addition, is
the wiring from the thermistor to the DC controller PCB good?
Correct the connection.
Mount it properly.
Replace the DC controller PCB.
2000 2000 2000 2000
CHAPTER 6 TROUBLESHOOTING
CANON iR8500/7200 REV.1 AUG. 2001
6-95