E001 - Canon iR8500 Service Manual

CHAPTER 6 TROUBLESHOOTING

4.1.2 E001

AC driver PCB (short circuit)
1) Turn off the power switch. While the fixing upper roller is cooling,
YES: Replace the AC driver PCB.
Thermistor (TH1/TH2), DC controller PCB
2) Replace the thermistor. Is the problem corrected?
YES: End.
NO:
6-94
check the surface of each thermistor for dirt, mounting condition,
and connection.
Turn on the power switch, and make the following selections in ser-
vice mode to reset E001: COPIER>FUNCTION>CLEAR>ERR.
Then, turn off and then on the power switch.
Make the following selections in service mode:
COPIER>DISPLAY>ANALOG. Are readings of both 'FIX-C' and
'FIX-E' 200°C or higher?
Replace the DC controller PCB.
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500/7200 REV.1 AUG. 2001