Operation Troubleshooting; Iv. Operation Troubleshooting; Troubleshooting Of Malfunction - Canon NP6317 Service Manual

IV. OPERATION TROUBLESHOOTING

A.

Troubleshooting of Malfunction

1. "E000, E003 and E004" indication
Cause/Problem
Procedure
area
1
Thermistors 2
2. "E001" indication
Cause/Problem
Procedure
area
1
Thermistor 2
(TH1)
DC controller
PCB
AC driver/DC
Power supply
PCB
3. "E030" indication
Cause/Problem
Procedure
area
1
DC controller
PCB
COPYRIGHT © 1999 CANON INC.
Check
Cancel the indication. Open the front
cover and delivery assembly door; then,
insert a door switch actuator into the door
switch, and wedge paper into the delivery
paper sensor. Does the fixing roller heater
go ON immediately after power is
switched ON? (Check visually.)
Does the problem disappear when the ther-
mistors (TH1/2) are replaced?
Check
Cancel the E001 indication. Does the fix-
ing roller heater (H1) go ON immediately
after power is switched ON?
Does the problem disappear when the
main thermistor (TH1) is replaced?
Check
Does the total counter operate normally?
CANON NP6317 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 10 TROUBLESHOOTING
Result
No Refer to the sub-section
"Fixing roller heater
does not operate."
No Replace the DC control-
ler PCB.
Yes End.
Result
No Refer to the sub-section
"Fixing roller heater
does not operate."
Yes End.
No Replace the DC power
supply PCB or DC con-
troller PCB.
Result
No Refer to the subsection
"Counter does not oper-
ate."
Yes Replace the DC control-
ler PCB.
Action
Action
Action
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