Fip-59 - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

FIP-59

Panel Message
E Open
Possible parts that caused the error
CHUTE ASSY-REAR
HARNESS-ASSY P/H1
PWBA MCU
LV/HVPS
Troubleshooting
Step Check
Shape check of CHUTE ASSY-REAR
1
Is the actuator of CHUTE ASSY-REAR that
presses SWITCH I/L CAB (P/H Cover Switch)
damaged?
Actuator
Operation check of SWITCH-PH DOOR
2
Disconnect the P/J408 from the PWBA MCU.
Is there continuity on J408-5 ↔ J408-6 when
SWITCH-I/L CAB is pressed, and does the
continuity stop when the switch is released?
Continuity check of HARNESS-ASSY P/H1
3
Disconnect the P/J408 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J408-5 ↔ J603-8
J408-6 ↔ J603-7
TROUBLESHOOTING
SWITCH-PH DOOR
HARNESS-ASSY P/H2
HARNESS ASSY MAIN
Yes No
Replace CHUTE Go to Step [2].
ASSY-REAR.
(p.350)
Go to Step [5]. Go to Step [3].
Go to Step [4]. Replace
HARNESS-
ASSY P/H1.
Step Check
Continuity check of HARNESS-ASSY P/H2
4
Disconnect P/J603.
Do all of the wiring below have normal
continuity?
P603-5 ↔ J100-2
P603-6 ↔ J100-1
Power supply check to PWBA MCU
5
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
6
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
Replace Replace
SWITCH-PH HARNESS-
DOOR. (p.364) ASSY P/H2.
Replace PWBA Go to Step [6].
MCU. (p.432)
Replace LV/ Repair broken or
HVPS. (p.435) shorted part.
231