Minolta EP5000 - Page 372

Interleaf EP5000/EP4000 TROUBLESHOOTING
97.04.01
T-97
1156SBT040222A
22)C0E00: Main Erase Lamp LA2’s Failure to Turn ON
C0E01: Main Erase Lamp LA2 Turning ON at Abnormal Timing
Relevant Electrical Parts
D Main Erase Lamp LA2 D Master Board PWB-A
1156C22TAA
uC0E00
Step Check Item Result Action
1
Perform the “Controller Board Check.”
Is malfunction code “C0328” dis-
played?
YES
Change PWB-A.
Does the voltage across PWB-A
PJ12A-3 and GND change from DC0V
YES
Change LA2.
2
to DC24V when the Start key is
pressed?
NO
Change PWB-A.
uC0E01
Check the LA2 Failure Detection signal
when LA2 is OFF.
YES
Change PWB-A.
1
Using the IC Port Data Check function,
check that the data of PWB-A (IC4A)
APC7 is “H.”
NO
Change LA2.