FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
T-4 6
C0500, C0510
✽
After resetting a C0510 condition, C0500 will be shown if the same problem recurs. For
this reason, the same troubleshooting procedure is used for C0500 and C0510.
C0520
Step Check Item Result Action
1
Does H1 light up when the Power
Switch is turned ON?
YES
Check TH1 for installation or clean
it.
NO Begin with step 3.
2
Disconnect CN14 (4P). Is the resis-
tance across CN14-2 and 3 on the
TH1 side infinity?
YES Replace TH1.
NO
Replace PWB-A.
3
Does the voltage across PJ7A-2 on
PWB-A and GND change from
DC5V to DC0V when the Front
Door is closed with the Power
Switch ON?
NO
Replace PWB-A.
4
Disconnect CN5 (2P). Is there con-
tinuity across CN5-1 and 2 on the
Fusing Unit side?
YES Replace SSR1.
NO
Check H1 and TF1 for continuity.
Step Check Item Result Action
1
Does H1 remain lit up even after the
copier has completed warming up?
YES Begin with step 2.
NO Begin with step 3.
2
Does the voltage across PJ7A-2 on
PWB-A and GND remain DC0V
even after the copier has completed
warming up?
YES Replace PWB-A.
NO
Replace SSR1.
3
Disconnect CN14 (4P). Is the circuit
across CN14-2 and 3 on the Fusing
Unit side short-circuited?
YES Replace TH1.
NO
Replace PWB-A.
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