Fip-57 - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

FIP-57

Panel Message
Replace Photocondctr
Possible parts that caused the error
Photoconductor Unit
HARNESS ASSY MAIN
LV/HVPS
Troubleshooting
Step Check
Attachment check of Photoconductor Unit
1
Is Photoconductor Unit attached correctly?
Does the error recur when the power is
2
turned ON?
Check after replacement of Photoconductor
3
Unit
Replace Photoconductor Unit.
Does the error occur when the power is turned
ON?
Operation check of SENSOR TNER FULL
4
(Toner Full Sensor)
Remove Photoconductor Unit.
The voltage of P413-11 ↔ P413-10 on PWBA
MCU is 0 VDC when the sensor sensing area is
blocked, and is 5 VDC when the sensing area is
not blocked?
5 VDC power supply check to SENSOR
5
TNER FULL
The voltage of P413-12 ↔ P413-10 on PWBA
MCU is 5 VDC?
TROUBLESHOOTING
SENSOR TNER FULL
PWBA MCU
Yes No
Go to Step [4]. Re-attach, and go
to step [2].
Go to Step [3]. End of procedure
Go to Step [4]. End of procedure
Replace PWBA Go to Step [5].
MCU. (p.432)
Go to Step [6]. Go to Step [8].
Step Check
Continuity check of HARNESS ASSY MAIN
6
Do all of the wiring below have normal
continuity?
J413-10 ↔ J617-3
J413-11 ↔ J617-2
J413-12 ↔ J617-1
Continuity check of HARNESS ASSY TNR
7
FULL
Disconnect P/J617.
Do all of the wiring below have normal
continuity?
P617-1 ↔ J126-3
P617-2 ↔ J126-2
P617-3 ↔ J126-1
5 VDC power supply check to PWBA MCU
8
The voltage of P410-3 ↔ P410-4 on PWBA
MCU is 5 VDC?
Continuity check of HARNESS ASSY MAIN
9
Disconnect P/J410 from PWBA MCU and P/
J502 from LV/HVPS.
Do all of the wiring below have normal
continuity?
J410-3 ↔ J502-3
J410-4 ↔ J502-4
Printer
Revision B
Yes No
Go to Step [7]. Repair broken or
shorted part.
Replace Repair broken or
SENSOR TNER shorted part.
FULL. (p.400)
Replace PWBA Go to Step [9].
MCU. (p.432)
Replace LV/ Repair broken or
HVPS. (p.435) shorted part.
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