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26. The fixing heater fails to operate.
27. The pre-exposure lamp fails to turn on.
28. The add paper indicator fails to turn off.
COPYRIGHT
©
1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
10-76
CHAPTER 10 TROUBLESHOOTING
Checks
Is E000 indicated?
Replace the DC control PCB. Is
the problem corrected?
Cause
DC controller
PCB
Fixing heater
driver
Step
1
2
Results
YES
YES
NO
Action
See the descriptions
under “E000.”
End.
Replace the fixing heater
drive PCB.
Checks
Detach the drum cartridge, and
execute ‘No. 407’ in service mode.
Does the pre-exposure lamp turn
on normally?
Replace the pre-exposure lamp.
Does it turn on normally?
Cause
DC controller
PCB
Pre-exposure
lamp
DC controller
PCB
Step
1
2
Results
NO
YES
NO
Action
Replace the pre-
exposure lamp.
End.
Check the wiring
between the pre-
exposure lamp and the
DC controller PCB; if
normal, replace the DC
controller PCB.
Checks
Is the cassette set correctly?
Is the following sensor normal
(p. 10-39~10-41)?
PS4: cassette paper sensor
PS2cu: cassette 2 paper sensor
(accessory)
PS4cu: cassette 3 paper sensor
(accessory)
Cause
Cassette
Paper sensor
DC controller
PCB
Step
1
2
Results
NO
NO
YES
Action
Set the cassette
correctly.
Check the lever and
wiring; if normal, replace
the sensor.
Replace the DC
controller PCB.