Fip-7 - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

FIP-7

Panel Message
Photocondctr Trouble
Possible parts that caused the error
Photoconductor Unit
HARNESS-ASSY XERO
LV/HVPS
Troubleshooting
Step Check
Attachment check of Photoconductor Unit
1
Re-attach Photoconductor Unit.
Does the error recur when the power is turned
ON?
Check after replacement of Photoconductor
2
Unit
Replace Photoconductor Unit.
Does the error recur when the power is turned
ON?
Check of ANTENNA ASSY
3
Is ANTENNA ASSY dirty and damaged?
Does the error recur when the power is
4
turned ON?
Continuity check of HARNESS-ASSY
5
XERO
Disconnect P/J416 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J416-4 ↔ J109-2
J416-5 ↔ J109-1
TROUBLESHOOTING
GUIDE CRU ASSY D or ANTENNA
ASSY
PWBA MCU
Yes
Go to Step [2]. End of procedure
Go to Step [3]. End of procedure
Clean Go to Step [5].
ANTENNA
ASSY, and then
proceed to step
[4].
Go to Step [5]. End of procedure
Go to Step [6]. Replace
HARNESS-
ASSY XERO.
Step
Check after replacement of GUIDE CRU
6
ASSY D or ANTENNA ASSY
Replace GUIDE CRU ASSY D or ANTENNA
ASSY. (p.388)
Does the error recur when the power is turned
ON?
Power supply check to PWBA MCU
7
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
Continuity check of HARNESS ASSY MAIN
8
No
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
Printer
Check Yes
Go to Step [7].
or (p.391)
Replace PWBA
MCU. (p.432)
Replace LV/
HVPS.
Revision B
No
End of procedure
Go to Step [8].
Repair broken or
(p.435) shorted part.
159