Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F Revision B
TROUBLESHOOTING Printer 230
FIP-58
 Panel Message
 A Open
 Possible parts that caused the error
 Troubleshooting
 COVER FRONT ASSY U  SWITCH-FRONT DOOR
 PWBA MCU  LV/HVPS
Step Check Yes No
1
Check of open/close state of COVER
Is COVER FRONT ASSY U closed?
Go to Step [3]. Close the cover.
Go to Step [2].
2
Does the error recur when the power is
turned ON?
Go to Step [3]. End of procedure
3
Shape check of COVER FRONT ASSY U
Is the actuator of COVER FRONT ASSY U
that presses SWITCH-FRONT DOOR
deformed or damaged?
Replace COVER
FRONT
ASSY U. (p.318)
Go to Step [4].
4
Operation check of SWITCH-FRONT DOOR
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?
Go to Step [5]. Replace
SWITCH-
FRONT DOOR.
(p.325)
Actuator
5
Continuity check of HARNESS ASSY MAIN
Do all of the wiring below have normal
continuity?
J415-10 ↔ J125-2
J415-11 ↔ J125-1
Go to Step [6]. Repair broken or
shorted part.
6
Power supply check to PWBA MCU
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
Replace PWBA
MCU. (p.432)
Go to Step [7].
7
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.435)
Repair broken or
shorted part.
Step Check Yes No
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Epson AcuLaser CX11 Specifications

General

Brand	Epson
Model	AcuLaser CX11
Category	All in One Printer
Language	English