Fip-58 - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

FIP-58

Panel Message
A Open
Possible parts that caused the error
COVER FRONT ASSY U
PWBA MCU
Troubleshooting
Step Check
Check of open/close state of COVER
1
Is COVER FRONT ASSY U closed?
Does the error recur when the power is
2
turned ON?
Shape check of COVER FRONT ASSY U
3
Is the actuator of COVER FRONT ASSY U
that presses SWITCH-FRONT DOOR
deformed or damaged?
Actuator
Operation check of SWITCH-FRONT DOOR
4
Disconnect SWITCH-FRONT DOOR P/J125.
Is there continuity on P125-1 ↔ P125-2 when
SWITCH-FRONT DOOR is pressed, and does
the continuity stop when SWITCH-FRONT
DOOR is released?
TROUBLESHOOTING
SWITCH-FRONT DOOR
LV/HVPS
Yes No
Go to Step [3]. Close the cover.
Go to Step [2].
Go to Step [3]. End of procedure
Replace COVER Go to Step [4].
FRONT
ASSY U. (p.318)
Go to Step [5]. Replace
SWITCH-
FRONT DOOR.
(p.325)
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Step Check
Continuity check of HARNESS ASSY MAIN
5
Do all of the wiring below have normal
continuity?
J415-10 ↔ J125-2
J415-11 ↔ J125-1
Power supply check to PWBA MCU
6
Is the specified DC voltage being supplied to
the following terminals on PWBA MCU?
P410-1 ↔ P410-2: 3. 3 VDC
P410-3 ↔ P410-4: 5 VDC
P410-5/6 ↔ P410-7/8: 24 VDC
Continuity check of HARNESS ASSY MAIN
7
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
Revision B
Yes No
Go to Step [6]. Repair broken or
shorted part.
Replace PWBA Go to Step [7].
MCU. (p.432)
Replace LV/ Repair broken or
HVPS. (p.435) shorted part.
230