EPSON AcuLaser C1100 Revision B
TROUBLESHOOTING FIP according to the printer message 209
11 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. 3 VDC
P410-3P410-4: 5 VDC
P410-5/6P410-7/8: 24 VDC
Replace PWBA
MCU. (p.404) Go to Step [12].
12
Continuity check of HARNESS ASSY MAIN
Disconnect P/J410 from PWBA MCU and P/
J502 from LV/HVPS.
Do all of the wiring below have normal
continuity?
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