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©
1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
14-59
CHAPTER 14 TROUBLESHOOTING
4 E004 (The SSR has a short circuit, or the heater relay has an error.)
Cause
Fixing heater
Wiring
SSR
DC controller
PCB
Image processor
PCB
Action
See "The fixing heater
fails to turn on." If E000
or E002 occurs, see its
respective descriptions.
If E004 turns on once
again, go to step 3.
Correct the wiring.
Replace the SSR.
End.
Replace the image
processor PCB.
Step
1
2
3
4
5
6
Yes/No
NO
YES
YES
YES
NO
Check
Clear the error in service mode.
Does the fixing heater turn on
immediately after power-on?
Does the wiring between the SSR,
relay, and DC controller PCB have
a fault?
Is 6-7 and 7-8 of the SSR shorted?
Replace the DC controller PCB. Is
the problem corrected?
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