Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
T-72
uC0500, C0510
Step Check Item Result Action
1
Does H1 light up when the Power
Switch is turned ON?
NO
Go to step 5.
2 Is TH1 installed properly? NO Reinstall TH1.
3 Is TH1 dirty? YES Clean or change TH1.
Measure resistance of TH1. Is is infi- YES Change TH1.
4
nite?
NO Change PWB-A.
5
Perform the “Controller Board Check.”
Is malfunction code “C0311” displayed?
YES
Change PWB-A.
Check H1 for continuity. Is there conti- YES Change SSR1.
6
nuity?
NO
Change H1 or TS1.
uC0520
Step Check Item Result Action
1
Does H1 remain lit after the copier has
warmed up?
NO
Go to step 4.
2
Perform the “Controller Board Check.”
Is malfunction code “C0311” displayed?
YES
Change PWB-A.
3 Does H1 turn OFF? NO Change SSR1.
4 Is TH1 installed properly? NO Reinstall TH1.
5 Is TH1 dirty? YES Clean or change TH1.
Measure resistance of TH1. Is is 0 Ω YES Change TH1 (TH2).
6
or close to 0?
NO Change PWB-A.