(Paper Feeding Normally); (At Time Of Jam); The Fixing Heater Fails To Operate - Canon FC220 Service Manual

11.

(paper feeding normally)

Cause
Copy paper
Sensor lever
Delivery sensor PCB
(Q801)
DC controller/DC
power supply PCB
12.

(at time of jam)

Cause
Control panel PCB
DC controller/DC
power supply PCB

13. The fixing heater fails to operate.

Cause
Heater (H1),
Thermal fuse (FU2)
Thermistor
(TH1, TH2)
Fixing assembly
DC controller/DC
power supply PCB
COPYRIGHT © 1998 CANON INC.
Step Checks
1 Are there pieces of copy paper in
the delivery assembly or pick-up
assembly?
2 Is the movement of the delivery
sensor and pick-up sensor levers
smooth?
3 Replace the delivery sensor
PCB. Does the copier operate
normally?
Step Checks
1 Replace the control panel PCB.
Does the indicator go ON?
Step Checks
1 Is continuity present between
terminals of the heater?
2 Is the resistance between the
following terminals on the control
panel PCB 0
?
TH1 J603-1
3 Replace the fixing assembly.
Is the problem corrected?
CANON PC400/420/430,FC200/220 REV.0 JAN.1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
YES/NO
YES
NO
YES
NO
YES/NO
YES
NO
YES/NO
NO
YES
or about 1.3 M
J603-2
YES
NO
CHAPTER 10 TROUBLESHOOTING
Remedies
Remove the pieces of
paper.
Correct the movement.
End.
Check the wiring from the
control panel PCB to the
DC controller/DC power
supply PCB; if normal,
replace the DC
controller/DC power
supply PCB.
Remedies
End.
Replace the DC controller/
DC power supply PCB.
Remedies
Replace the fixing
assembly.
Replace the fixing
assembly.
End.
Replace the DC controller/
DC power supply PCB.
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