Read Sharp AR-F14 (serv.man9) Service Manual online
AR-F14/PN1 TROUBLE SHOOTING 9-4
(8) F1-15, Shift Motor Fault
(9) F1-15, Shift Motor Fault
(10) F1-15, Shift Motor Fault
(11) F1-19, Alignment Motor (front) Fault
(12) F1-20, Alignment Motor (Rear) Fault
Cause/Trouble section
Procedure
Check
Result
Remedy
Paper surface sensor (SLS)
1
Check the paper surface sensor. Is the sensor normal?
NO
Replace the sensor.
Tray up/down mechanism
2
Check the tray up/down mechanism. Is the mechanism normal?
NO
Correct the
mechanism.
mechanism.
Finisher controller PCB
3
Is 24 VDC supplied from the finisher controller PCB to the shift
motor as soon as the tray is driven?
motor as soon as the tray is driven?
NO
Replace the finisher
controller PCB.
controller PCB.
Shift motor (FLM), Wiring
4
Is the wiring between the finisher controller PCB and the shift
motor normal?
motor normal?
YES
Replace the shift
motor.
motor.
NO
Correct the wiring.
Cause/Trouble section
Procedure
Check
Result
Remedy
Tray position
1
Is the tray as far as the shift upper limit sensor?
YES
Lower the position of
the tray.
the tray.
Shift upper limit sensor (ULS)
2
Check the shift upper limit sensor. Is the sensor normal?
NO
Replace the sensor.
Finisher controller PCB, Wiring
3
Check the wiring from the finisher controller PCB to the shift
upper limit sensor; is it normal?
upper limit sensor; is it normal?
YES
Replace the finisher
controller PCB.
controller PCB.
NO
Correct the wiring.
Cause/Trouble section
Procedure
Check
Result
Remedy
-
1
Is the tray in UP position?
YES
Go to step 4).
NO
Go to step 2).
Finisher controller PCB
2
Is power supplied to the finisher controller PCB as soon as the
tray is driven?
tray is driven?
YES
Go to step 3).
NO
Replace the finisher
controller PCB.
controller PCB.
Tray up/down mechanism,
Shift motor (FLM)
Shift motor (FLM)
3
Is there a fault in the tray up/down mechanism?
YES
Correct the tray up/
down mechanism.
down mechanism.
NO
Replace the shift
motor.
motor.
Shift motor clock (LE),
Finisher controller PCB
Finisher controller PCB
4
Check the shift motor clock sensor.
YES
Replace the finisher
controller PCB.
controller PCB.
NO
Replace the sensor.
Cause/Trouble section
Procedure
Check
Result
Remedy
Aligning plate home position sensor
(front; FJHPS)
(front; FJHPS)
1
Check the aligning plate home position sensor (front).
Is the sensor normal?
Is the sensor normal?
NO
Replace the sensor.
Wiring
2
Is the wiring between the finisher controller PCB and the front
alignment plate motor (front) normal?
alignment plate motor (front) normal?
NO
Correct the wiring.
Aligning plate (front)
3
Is there mechanical trapping in the aligning plate path?
YES
Correct the
mechanical system.
mechanical system.
Alignment motor (front; FFJM),
Finisher controller PCB
Finisher controller PCB
4
Try replacing the Alignment motor (front).
Is the problem corrected?
Is the problem corrected?
YES
End.
NO
Replace the finisher
controller PCB.
controller PCB.
Cause/Trouble section
Procedure
Check
Result
Remedy
Aligning plate home position sensor
(rear; RJHPS)
(rear; RJHPS)
1
Check the aligning plate home position sensor (rear).
Is the sensor normal?
Is the sensor normal?
NO
Replace the sensor.
Wiring
2
Is the wiring between the finisher controller PCB and the rear
alignment motor (rear) normal?
alignment motor (rear) normal?
NO
Correct the wiring.
Aligning plate (rear)
3
Is there mechanical trapping in the path of the aligning plate?
YES
Correct the
mechanical
mechanism.
mechanical
mechanism.
Alignment motor (rear; FRJM),
Finisher controller PCB
Finisher controller PCB
4
Try replacing the alignment motor (rear).
Is the problem corrected?
Is the problem corrected?
YES
End.
NO
Replace the finisher
controller PCB.
controller PCB.
[09]TROUBLESHOOTING.fm 4 ページ ２００４年４月１９日 月曜日 午後１時４２分
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