Epson AcuLaser C1100 Service Manual page 225

EPSON AcuLaser C1100
FIP-67
Panel Message
C Open
Possible parts that caused the error
COVER FUSER
PWBA MCU
Troubleshooting
Step Check
Check of open/close state of COVER
1
Is COVER FUSER closed?
Does the error recur when the power is
2
turned ON?
Shape check of COVER FUSER
3
Is the actuator of COVER FUSER that presses
SWITCH-FUSER DOOR deformed or
damaged?
Operation check of SWITCH-FUSER DOOR
4
Disconnect SWITCH-FUSER DOOR P/J114.
Is there continuity on P114-1 ↔ P114-2 when
SWITCH-FUSER DOOR is pressed, and does
the continuity stop when the switch is
released?
TROUBLESHOOTING
SWITCH-FUSER DOOR
LV/HVPS
Yes
Go to Step [3]. Close the cover.
Go to Step [2].
Go to Step [3]. End of
procedure
Replace Go to Step [4].
COVER
FUSER. (p.285)
Actuator
Go to Step [5]. Replace
SWITCH-
FUSER DOOR.
(p.298)
FIP according to the printer message
Step
Continuity check of HARNESS ASSY MAIN
5
Do all of the wiring below have normal
continuity?
J403-11 ↔ J114-2
J403-12 ↔ J114-1
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
No
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
Check Yes
Go to Step [6].
Replace PWBA
MCU. (p.404)
Replace LV/
HVPS. (p.407)
Revision B
No
Repair broken
or shorted part.
Go to Step [7].
Repair broken
or shorted part.
225