DOWNLOAD Sharp MX-RBX1 (serv.man2) Service Manual ↓ Size: 11.77 MB | Pages: 116 in PDF or view online for FREE

MX-FNX2/AR-PN1/MX-RBX1  SELF DIAG MESSAGE AND TROUBLE CODE  9 – 2

 

 

 

 

 

 

 

 

 

 

Content

Console finisher staple shift motor (FSM) trouble

Phenomenon

Detail

Staple shift motor (FSM) operation 
abnormality

Case

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-3) to check the motor 
operation. 

Content

Console finisher stapler motor (FFSM) trouble

Phenomenon

Detail

Stapler motor (FFSM) operation abnormality

Case

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-3) to check the motor 
operation. 

Content

Console finisher bundle exit motor (FAM) trouble

Phenomenon

Detail

Bundle exit motor (FAM) operation 
abnormality

Case

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-3) to check the motor 
operation. 

Content

Console finisher lift motor (FLM) trouble

Phenomenon

Detail

Lift motor (FLM) operation abnormality

Case

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-3) to check the motor 
operation. 

Content

Console finisher alignment motor (front) (FFJM) trouble

Phenomenon

Detail

Alignment motor (front) (FFJM) operation 
abnormality

Case

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-3) to check the motor 
operation. 

Content

Console finisher alignment motor (rear) (FRJM) trouble

Phenomenon

Detail

Alignment motor (rear) (FRJM) operation 
abnormality

Case

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-3) to check the motor 
operation. 

Content

Interface fan (FJFM) trouble

Phenomenon

Detail

Interface fan (FJFM) drive trouble

Case

Cause

Missing the motor lock and the connector

Check and 
remedy

Use DIAG (SIM3-3) to check the motor 
operation. 

Content

Console finisher bookbinding position sensor (FFPD) 
trouble

Phenomenon

Detail

Sensor input value abnormality

Case

Cause

Sensor breakage harness breakage
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-2) to check the sensor 
operation.

Content

Communication trouble between the console finisher and 
the punch unit (AR-PN1A/B/C/D).

Phenomenon

Detail

Communication error between the console 
finisher and the punch unit (AR-PN1A/B/C/
D).

Case

Cause

Improper connection or disconnection of 
connector and harness between the console 
finisher and the punch unit. 
Console finisher control PCB trouble
Control PCB (PCU) trouble
Malfunction by noise

Check and 
remedy

Canceled by turning OFF/ON the power.
Check connectors and harness in the 
communication line. 
Replace the console finisher control PCB. 

Content

Console finisher punch side registration motor (FPSM) 
trouble (AR-PN1A/B/C/D)

Phenomenon

Detail

Punch side registration motor (FPSM) 
operation abnormality

Case

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-3) to check the motor 
operation. 

MX-FNX2/AR-PN1/MX-RBX1  SELF DIAG MESSAGE AND TROUBLE CODE  9 – 3

 

 

 

 

 

 

 

Content

Console finisher punch motor (FPNM) trouble 
(AR-PN1A/B/C/D)

Phenomenon

Detail

Punch motor (FPNM) operation abnormality

Case

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-3) to check the motor 
operation. 

Content

Console finisher punch side registration home position 
(FPSHPD) trouble (AR-PN1A/B/C/D)

Phenomenon

Detail

Sensor input value abnormality

Case

Cause

Sensor breakage
Harness disconnection
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-2) to check the sensor 
operation.

Content

Console finisher punch side registration detect (FPTD, 
FPSD) trouble (AR-PN1A/B/C/D)

Phenomenon

Detail

Sensor input value abnormality

Case

Cause

Sensor breakage
Harness disconnection
Console finisher control PCB trouble

Check and 
remedy

Use DIAG (SIM3-2) to check the sensor 
operation.

Content

Console finisher backup RAM data trouble

Phenomenon

Detail

Backup RAM contents are disturbed.

Case

Cause

Console finisher control PCB trouble
Malfunction by noise

Check and 
remedy

Replace the console finisher control PCB.

Content

Console finisher punch backup RAM data trouble (AR-
PN1A/B/C/D)

Phenomenon

Detail

Punch unit backup RAM contents are 
disturbed.

Case

Cause

Punch control PCB trouble
Malfunction by noise

Check and 
remedy

Replace the punch control PCB.

Content

Console finisher punch dust sensor trouble 
(AR-PN1A/B/C/D)

Phenomenon

Detail

Sensor input abnormality

Case

Cause

Dust sensor breakage harness 
disconnection console finisher control PCB 
trouble

Check and 
remedy

Use DIAG (SIM3-2) to check the sensor 
operation.

Content

Console finisher puncher section power trouble 
(AR-PN1A/B/C/D)

Phenomenon

Detail

Puncher operation abnormality

Case

Cause

Punch control PCB trouble

Check and 
remedy

Replace the punch control PCB

MX-FNX2/AR-PN1/MX-RBX1  SELF DIAG MESSAGE AND TROUBLE CODE  9 – 4

Paddle home position sensor (FPDHPD)

1

Check the paddle home position sensor (FPDHPD).
Is the sensor normal?

NO

Replace the sensor

Stack roller home position sensor 
(FARHPD)

2

Check the stack roller home position sensor (FPDHPD).
Is the sensor normal?

NO

Replace the sensor.

Wiring

3

Is the wiring between the finisher controller PCB and the 
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?

YES

Correct the mechanical 
mechanism.

Paddle motor (FPM),  finisher controller 
PCB

5

Try replacing the paddle motor (FPM). Is the problem 
corrected?

YES

Replace the finisher controller 
PCB.

staple shift home position sensor 
(FSTHPD)

1

Check the staple shift home position sensor (FSTHPD).
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?

NO

Correct the wiring.

Stapler unit

3

Is there mechanical trapping in the stapler path?

YES

Correct the mechanical 
system.

Slide slide motor (FSM), Finisher 
controller PCB

4

Try replacing the staple shift motor (FSM).
Is the problem corrected?

YES

End.

NO

Replace the finisher 
controller PCB.

Staple drive home position sensor 
(FSHPD)

1

Check the staple drive home position sensor (FSHRD). Is 
the sensor normal?

NO

Replace the sensor

Wiring

2

Is the wiring between the finisher controller PCB and the 
staple motor (FFSM) normal?

NO

Correct the wiring.

Stapler unit

3

Try turning the staple jam releasing dial. 
Is there mechanical trapping?

YES

Correct the mechanical 
system.

Staple motor (FFSM), Finisher controller 
PCB

4

Try replacing the staple motor (FFSM). Is the problem 
corrected?

YES

End.

NO

Replace the finisher 
controller PCB.

Bookbinding home position sensor 
(FFHPD)

1

Check the bookbinding home position sensor (FFHPD). 
Is the sensor normal?

NO

Replace the sensor.

Wiring

2

Is the wiring between the finisher controller PCB and the 
staple motor (FFSM) normal?

NO

Correct the wiring.

Saddle unit

3

Try turning the fold jam releasing dial. 
Is there mechanical trapping?

YES

Correct the mechanical 
mechanism.

Staple motor (FFSM), Finisher controller 
PCB

4

Try replacing the staple motor (FFSM). Is the problem 
corrected?

YES

End.

NO

Replace the finisher 
controller PCB.

Bookbinding lock sensor (FFE)

1

Check the bookbinding lock sensor (FFE).
Is the sensor normal?

NO

Replace the sensor.

Finisher controller PCB, Saddle unit

2

Does the staple motor (FFSM) operate at the appropriate 
timing?

YES

Replace the finisher 
controller PCB.

NO

Check the saddle unit drive 
mechanism: 
if faulty, correct it;
otherwise, go to step 3).

Staple motor (FFSM), Finisher controller 
PCB

3

Try replacing the staple motor (FFSM). Is the problem 
corrected?

YES

End.

NO

Replace the finisher 
controller PCB.

MX-FNX2/AR-PN1/MX-RBX1  SELF DIAG MESSAGE AND TROUBLE CODE  9 – 5

Delivery belt home position sensor 
(FOBHPD)

1

Check the delivery belt home position sensor (FOBHPD).
Is the sensor normal?

NO

Replace the sensor.

Wiring

2

Is the wiring between the finisher controller PCB and the 
stack delivery motor (FAM) normal?

NO

Correct the wiring.

Stack delivery roller

3

Try turning the stack delivery motor (FAM) by hand. 
Is the rotation smooth?

NO

Correct the mechanical 
system.

Stack delivery motor (FAM), Finisher 
controller PCB

4

Try replacing the stack delivery motor (FAM).
Is the problem corrected?

YES

End.

NO

Replace the finisher 
controller PCB.

Paper surface sensor (FSLD)

1

Check the paper surface sensor (FSLD).
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.

Finisher controller PCB

3

Is 24 VDC supplied from the finisher controller PCB to the lift 
motor (FLM) as soon as the tray is driven?

NO

Replace the finisher 
controller PCB.

Lift motor (FLM), Wiring

4

Check the wiring from the finisher controller PCB to the lift 
motor (FLM); is it normal?

YES

Replace the lift motor (FLM).

NO

Correct the wiring.

Tray position

1

Is the tray as far as the lift upper limit sensor (FULD)?

YES

Lower the position of the 
tray.

Lift upper limit sensor (FULD)

2

Check the lift upper limit sensor (FULD). Is the sensor 
normal?

NO

Replace the sensor.

Finisher controller PCB, Wiring

3

Check the wiring from the finisher controller PCB to the lift 
upper limit sensor (FULD); is it normal?

YES

Replace the finisher 
controller PCB.

NO

Correct the wiring.

-

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?

YES

Go to step 3).

NO

Replace the finisher 
controller PCB.

Tray up/down mechanism, lift motor 
(FLM)

3

Is there a fault in the tray up/down mechanism?

YES

Correct the tray up/down 
mechanism.

NO

Replace the tray up/down 
motor.

Lift motor lock (FLE), Finisher controller 
PCB

4

Check the lift motor lock sensor (FLE).
Is the sensor normal?

YES

Replace the finisher 
controller PCB.

NO

Replace the sensor.

Alignment plate home position sensor 
(front; FFJHPD)

1

Check the alignment home position sensor (front; FFJHPD). 
Is the sensor normal?

NO

Replace the sensor.

Wiring

2

Is the wiring between the finisher controller PCB and the 
alignment plate motor (front; FFJM) normal?

NO

Correct the wiring.

Alignment plate (front)

3

Is there mechanical trapping in the alignment plate path?

YES

Correct the mechanical 
system.

Alignment motor (front; FFJM), Finisher 
controller PCB

4

Try replacing the alignment motor (front; FFJM). 
Is the problem corrected?

YES

End.

NO

Replace the finisher 
controller PCB.

Alignment home position sensor (rear; 
FRJHPD)

1

Check the alignment home position sensor (rear; FRJHPD). 
Is the sensor normal?

NO

Replace the sensor.

Wiring

2

Is the wiring between the finisher controller PCB and the 
alignment motor (rear; FRJM) normal?

NO

Correct the wiring.

Alignment plate (rear)

3

Is there mechanical trapping in the path of the alignment 
plate?

YES

Correct the mechanical 
mechanism.

Alignment motor (rear; FRJM), Finisher 
controller PCB

4

Try replacing the alignment motor (rear; FRJM).
Is the problem corrected?

YES

End.

NO

Replace the finisher controller 
PCB.