Epson AcuLaser CX11 - Fip-46

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. (p.427)
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. (p.432)
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 ↔P410-7/8: 24VDC
Replace PWBA
MCU. (p.432)
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. (p.435)
Repair broken or
shorted part.
Step Check Yes No
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