EPSON AcuLaser C1100 Revision B

TROUBLESHOOTING FIP according to the printer message 139

FIP-6

Panel Message
Photocondctr Trouble
Possible parts that caused the error
Troubleshooting

Photoconductor Unit GUIDE CRU ASSY D or ANTENNA ASSY

HARNESS-ASSY XERO PWBA MCU
LV/HVPS
Step Check Yes No
1Model check of Photoconductor Unit
Is a Photoconductor Unit that complies with
the specifications attached?
Go to Step [2]. Replace with a
Photoconductor
Unit that
complies with
the
specifications.
2Attachment check of Photoconductor Unit
Re-attach Photoconductor Unit.
Does the error recur when the power is turned
ON?
Go to Step [3]. End of
procedure
3Check after replacement of
Photoconductor Unit
Replace Photoconductor Unit.
Does the error recur when the power is turned
ON?
Go to Step [4]. End of
procedure
4Check of ANTENNA ASSY
Is ANTENNA ASSY dirty and damaged?
Clean
ANTENNA
ASSY, and then
proceed to step
[5].
Go to Step [6].
5Does the error recur when the power is
turned ON? Go to Step [6]. End of
procedure
6
Continuity check of HARNESS-ASSY XERO
Disconnect P/J416 from PWBA MCU.
Do all of the wiring below have normal
continuity.
J416-4 ↔ J109-2
J416-5 ↔ J109-1
Go to Step [7]. Replace
HARNESS-
ASSY XERO.
7Check after replacement of GUIDE CRU
ASSY D or ANTENNA ASSY
Replace GUIDE CRU ASSY D or
ANTENNA ASSY. (p.362) or (p.365)
Does the error recur when the power is turned
ON?
Go to Step [8]. End of
procedure
8Power supply check to PWBA MCU
Are the following power voltages being
supplied to PWBA MCU from LV/HVPS?
J410-1 ↔ J410-2: 3. 3 VDC
J410-3 ↔ J410-4: 5 VDC
J410-5/6 ↔ J410-7/8: 24 VDC
Replace PWBA
MCU. (p.404) Go to Step [9].
9
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?
J410-1 ↔ J502-1
J410-2 ↔ J502-2
J410-3 ↔ J502-3
J410-4 ↔ J502-4
J410-5 ↔ J502-5
J410-6 ↔ J502-6
J410-7 ↔ J502-7
J410-8 ↔ J502-8
Replace LV/
HVPS. (p.407) Repair broken
or shorted part.
Step Check Yes No