EPSON AcuLaser C1100 Revision B
TROUBLESHOOTING FIP according to the printer message 207
10
Power supply check to PWBA MCU
Are each of the power voltages being supplied
to the following terminals on PWBA MCU
from LV/HVPS?
P410-1P410-2: 3. 3VDC
P410-3P410-4: 5VDC
P410-5/6P410-7/8: 24VDC
Replace PWBA
MCU. (p.404) Go to Step [11].
11
Continuity check of HARNESS ASSY MAIN
Are each of the power voltages being supplied
to the following terminals on PWBA MCU
from LV/HVPS?
J410-1J502-1
J410-2J502-2
J410-3J502-3
J410-4J502-4
J410-5J502-5
J410-6J502-6
J410-7J502-7
J410-8J502-8
Replace LV/
HVPS. (p.407) Repair broken
or shorted part.
Step Check Yes No