EPSON AcuLaser CX11/CX11F
Revision B
TROUBLESHOOTING
Printer
216
FIP-46
Panel Message
Service Req E521
Possible parts that caused the error
Troubleshooting
HARNESS ASSY MAIN
MOT ASSY MICRO
SENSOR 2BTR RETRACT
HARNESS ASSY ADC
PWBA MCU
LV/HVPS
Step
Check
Yes
No
1
Check of 2ND BTR ASSY attachment
Is 2ND BTR ASSY attached correctly?
Go to Step [2].
Re-attach, and go
to step [2].
2
Does the error recur when restarting the
printer?
Go to Step [3].
End of procedure
3
Continuity check of HARNESS ASSY MAIN
Disconnect the P/J403 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J403-1
↔
J600-3
J403-2
↔
J600-2
J403-3
↔
J600-1
Go to Step [4].
Repair broken or
shorted part.
4
24 VDC power supply check to MOT ASSY
MICRO (2nd BTR Retract Motor)
The voltage of P403-3
↔
P403-2 on PWBA
MCU is 24 VDC?
Go to Step [5].
Go to Step [10].
5
Check after replacement of MOT ASSY
MICRO
Replace MOT ASSY MICRO.
Does the error recur when restarting the
printer?
Go to Step [6].
End of procedure
6
5 VDC power supply check to SENSOR
2BTR RETRACT.
The voltage of P418-4
↔
P418-5 on PWBA
MCU is 5 VDC?
Go to Step [7].
Go to Step [10].
7
Continuity check of HARNESS ASSY ADC
Disconnect the P/J418 from PWBA MCU.
Do all of the wiring below have normal
continuity?
J418-4
↔
J112-3
J418-5
↔
J112-2
J418-6
↔
J112-1
Go to Step [8].
Replace
HARNESS
ASSY ADC.
8
Check after replacement of SENSOR 2BTR
RETRACT
Replace SENSOR 2BTR RETRACT.
Does the error recur when restarting the
printer?
Go to Step [9].
End of procedure
9
Check after replacement of PWBA MCU
Replace PWBA MCU.
Does the error recur when restarting the
printer?
Go to Step [11]. End of procedure
10
Power supply check to PWBA MCU
Are each of the power voltages being supplied
to the following terminals on PWBA MCU
from LV/HVPS?
P410-1
↔
P410-2: 3. 3VDC
P410-3
↔
P410-4: 5VDC
P410-5/6
↔
P
410
-7/8: 24VDC
Replace PWBA
MCU.
Go to Step [11].
11
Continuity check of HARNESS ASSY MAIN
Are each of the power voltages being supplied
to the following terminals on PWBA MCU
from LV/HVPS?
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.
Repair broken or
shorted part.
Step
Check
Yes
No
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Summary of Contents for AcuLaser CX11 Series
Page 1: ...EPSON AcuLaserCX11 CX11F Color Multi Function Page Printer SERVICE MANUAL SEOT04007 ...
Page 11: ...Schematic Diagram of Safety System ...
Page 15: ...C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 75: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 126: ...C H A P T E R 3 TROUBLESHOOTING manuals4you com manuals4you com ...
Page 297: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 528: ...C H A P T E R 5 ADJUSTMENT manuals4you com manuals4you com ...
Page 543: ...C H A P T E R 6 MAINTENANCE ...
Page 562: ...C H A P T E R 7 APPENDIX manuals4you com manuals4you com ...
Page 618: ...IR A ASSY manuals4you com manuals4you com ...
Page 619: ...IR B ASSY ...
Page 620: ...1 4 3 01 1 01 2 2 DOC COVER manuals4you com manuals4you com ...
Page 621: ...2 3 4 5 6 7 8 9 10 11 1 13 11 17 18 12 22 14 19 16 20 21 15 11 11 13 ADF UNIT ASSY ...
Page 624: ...PAPER GUIDE ASSY manuals4you com manuals4you com ...
Page 627: ...Board C588MAIN BOARD Model Aculaser CX11 CX11F Sheet 1 of 6 Rev A ...
Page 629: ...Board C588MAIN BOARD Model Aculaser CX11 CX11F Sheet 3 of 6 Rev A ...
Page 631: ...Board C588MAIN BOARD Model Aculaser CX11 CX11F Sheet 5 of 6 Rev A ...