Epson AcuLaser C1100 Service Manual page 228

EPSON AcuLaser C1100
FIP-70
Panel Message
D Open
Possible parts that caused the error
COVER-L DUP
HARNESS ASSY MAIN
LV/HVPS
Troubleshooting
Step Check
Shape check of COVER-L DUP on Duplex
1
Is the actuator of the Duplex that presses
SWITCH-FUSER DOOR damaged?
Operation check of SWITCH-FUSER DOOR
2
Disconnect the P/J403 from PWBA MCU.
Is there continuity on J403-11 ↔ J402-12
when the switch of SWITCH-FUSER DOOR
is pressed, and does the continuity stop when
the switch is released?
Continuity check of HARNESS ASSY MAIN
3
Disconnect the P/J403 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J403-11 ↔ J114-2
J403-12 ↔ J114-1
TROUBLESHOOTING
SWITCH-FUSER DOOR
PWBA MCU
Yes
Replace Go to Step [2].
COVER-L DUP.
(p.414)
Actuator
Go to Step [4]. Go to Step [3].
Replace Repair broken
SWITCH- or shorted part.
FUSER DOOR.
(p.298)
FIP according to the printer message
Step
Power supply check to PWBA MCU
4
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
5
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
No
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
Check Yes
Replace PWBA
MCU. (p.404)
Replace LV/
HVPS. (p.407)
Revision B
No
Go to Step [5].
Repair broken
or shorted part.
228