Fip-52 - Epson AcuLaser CX11 Service Manual

EPSON AcuLaser CX11/CX11F

FIP-52

Panel Message
Service Req E542
Possible parts that caused the error
DRIVE ASSY PRO
HARNESS ASSY MAIN
LV/HVPS
Troubleshooting
Step Check
Check of connection of DRIVE ASSY PRO
1
(IBT Cleaner Retract Motor)
Is connector P/J414 connected firmly to PWBA
MCU?
24 VDC power supply check to DRIVE
2
ASSY PRO (IBT Cleaner Retract Motor)
The voltage of P414-3 ↔ P414-2 on PWBA
MCU 2 is 4 VDC?
Check after replacement of DRIVE ASSY
3
PRO
Replace DRIVE ASSY PRO. (p.421)
Does the error recur when a test print is made?
5 VDC power supply check to SENSOR IBT
4
RETRACT
The voltage of P415-3 ↔ P415-4 on PWBA
MCU is 5 VDC?
Continuity check of HARNESS ASSY MAIN
5
Disconnect P/J415 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J415-3 ↔ J107-3
J415-4 ↔ J107-2
J415-5 ↔ J107-1
TROUBLESHOOTING
SENSOR IBT RETRACT
PWBA MCU
Yes No
Go to Step [2]. Re-connect the
connector.
Go to Step [3]. Go to Step [8].
Go to Step [4]. End of procedure
Go to Step [5]. Go to Step [8].
Go to Step [6]. Replace
HARNESS
ASSY MAIN.
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Step Check
Check after replacement of SENSOR IBT
6
RETRACT
Replace SENSOR IBT RETRACT.
Does the error recur when a test print is made?
Check after replacement of PWBA MCU
7
Replace PWBA MCU.
Does the error recur when a test print is made?
Power supply check to PWBA MCU
8
Are each of the power voltages being supplied
to the following terminals on PWBA MCU
from LV/HVPS?
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
9
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
Yes
Go to Step [7].
(p.383)
Go to Step [9].
(p.432)
Replace PWBA
MCU. (p.432)
Replace LV/
HVPS. (p.435)
Revision B
No
End of procedure
End of procedure
Go to Step [9].
Repair broken or
shorted part.
224