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CHAPTER 13 TROUBLESHOOTING
13-82
COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
IV . TROUBLESHOOTING MALFUNCTIONS
A. Troubleshooting Malfunctions
Caution:
When removing or mounting each sensor, be sure to pay attention to the orientation and
position of the spring used to force the detecting lever.
1 E000
Step
1
2
3
Action
The cause is the
thermistor; check the
following:
• thermistor for
mounting.
• thermistor surface for
dirt.
• connection.
Replace the DC
controller PCB.
Replace the heater.
Check the wiring; if
normal, replace the
SSR.
Checks
Clear E000, and turn off and then on the
power switch. Select COPIER>DISPLAY
>ANALOG. Does either FIX-C or FIX-E
indicate a rise in temperature?
Turn off the power switch, and cool the
upper fixing roller sufficiently; then, turn
on the power switch.
Clear E000, and turn off and then on the
power switch, and select COPIER>I/O/
>IP in service mode. Is bit 4 and bit 5 of
P012 '0' ?
Is electrical continuity of each heater
normal?
Yes/No
YES
YES
NO
YES
Cause
Thermistor
DC controller
PCB
Heater
(open circuit)
SSR