Read Sharp MX-RBX1 (serv.man11) Service Manual online
MX-FNX2/AR-PN1/MX-RBX1 SELF DIAG MESSAGE AND TROUBLE CODE 9 – 4
C. Troubleshooting
(1) Finisher/saddle unit
a. F1-03, Paddle Motor (FPM) Fault
b. F1-06, Slide Staple Motor (FSM) Fault
c. F1-10, Staple Motor (FFSM) Fault
d. F1-10, Staple Motor (FFSM) Fault
e. F1-10, Staple Motor (FFSM) Fault
Cause/Trouble section
Procedure
Check
Result
Remedy
Paddle home position sensor (FPDHPD)
1
Check the paddle home position sensor (FPDHPD).
Is the sensor normal?
Is the sensor normal?
NO
Replace the sensor
Stack roller home position sensor
(FARHPD)
(FARHPD)
2
Check the stack roller home position sensor (FPDHPD).
Is the sensor normal?
Is the sensor normal?
NO
Replace the sensor.
Wiring
3
Is the wiring between the finisher controller PCB and the
paddle motor (FPM) normal?
paddle motor (FPM) normal?
NO
Correct the wiring.
Paddle, Swing guide assembly
4
Try turning the paddle motor (FPM) clockwise and
counterclockwise by hands. Is there mechanical tapping in
the rotation of the paddle or the up/down movement of the
swing guide?
counterclockwise by hands. Is there mechanical tapping in
the rotation of the paddle or the up/down movement of the
swing guide?
YES
Correct the mechanical
mechanism.
mechanism.
Paddle motor (FPM), finisher controller
PCB
PCB
5
Try replacing the paddle motor (FPM). Is the problem
corrected?
corrected?
YES
Replace the finisher controller
PCB.
PCB.
Cause/Trouble section
Procedure
Check
Result
Remedy
staple shift home position sensor
(FSTHPD)
(FSTHPD)
1
Check the staple shift home position sensor (FSTHPD).
Is the sensor normal?
Is the sensor normal?
NO
Replace the sensor.
Wiring
2
Is the wiring between the finisher controller PCB and the
staple shift motor (FSM) normal?
staple shift motor (FSM) normal?
NO
Correct the wiring.
Stapler unit
3
Is there mechanical trapping in the stapler path?
YES
Correct the mechanical
system.
system.
Slide slide motor (FSM), Finisher
controller PCB
controller PCB
4
Try replacing the staple shift motor (FSM).
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
Staple drive home position sensor
(FSHPD)
(FSHPD)
1
Check the staple drive home position sensor (FSHRD). Is
the sensor normal?
the sensor normal?
NO
Replace the sensor
Wiring
2
Is the wiring between the finisher controller PCB and the
staple motor (FFSM) normal?
staple motor (FFSM) normal?
NO
Correct the wiring.
Stapler unit
3
Try turning the staple jam releasing dial.
Is there mechanical trapping?
Is there mechanical trapping?
YES
Correct the mechanical
system.
system.
Staple motor (FFSM), Finisher controller
PCB
PCB
4
Try replacing the staple motor (FFSM). Is the problem
corrected?
corrected?
YES
End.
NO
Replace the finisher
controller PCB.
controller PCB.
Cause/Trouble section
Procedure
Check
Result
Remedy
Bookbinding home position sensor
(FFHPD)
(FFHPD)
1
Check the bookbinding home position sensor (FFHPD).
Is the sensor normal?
Is the sensor normal?
NO
Replace the sensor.
Wiring
2
Is the wiring between the finisher controller PCB and the
staple motor (FFSM) normal?
staple motor (FFSM) normal?
NO
Correct the wiring.
Saddle unit
3
Try turning the fold jam releasing dial.
Is there mechanical trapping?
Is there mechanical trapping?
YES
Correct the mechanical
mechanism.
mechanism.
Staple motor (FFSM), Finisher controller
PCB
PCB
4
Try replacing the staple motor (FFSM). Is the problem
corrected?
corrected?
YES
End.
NO
Replace the finisher
controller PCB.
controller PCB.
Cause/Trouble section
Procedure
Check
Result
Remedy
Bookbinding lock sensor (FFE)
1
Check the bookbinding lock sensor (FFE).
Is the sensor normal?
Is the sensor normal?
NO
Replace the sensor.
Finisher controller PCB, Saddle unit
2
Does the staple motor (FFSM) operate at the appropriate
timing?
timing?
YES
Replace the finisher
controller PCB.
controller PCB.
NO
Check the saddle unit drive
mechanism:
if faulty, correct it;
otherwise, go to step 3).
mechanism:
if faulty, correct it;
otherwise, go to step 3).
Staple motor (FFSM), Finisher controller
PCB
PCB
3
Try replacing the staple motor (FFSM). Is the problem
corrected?
corrected?
YES
End.
NO
Replace the finisher
controller PCB.
controller PCB.
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