AR-M316 (serv.man10). ARM256 316 Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 103

AR-M256/M257/M258/M316/M317/M318/5625/5631  TROUBLE CODE LIST 9 - 4

F1

00

Content

Finisher communication trouble

Details

Communication line test error occurs when 
power is turned on or after the exit of a 
simulation mode.
Error in finisher communication

Cause

Connection trouble or disconnection of the 
connector and harness between the body 
and the finisher.
Finisher control PWB trouble.
Control PWB failure.
Malfunction by noises.

Check 
and 
remedy

Canceled by turning OFF/ON the power.
Check the connectors and the harness of 
communication line.
Replace the finisher control PWB.

01

Content

Side guide plated home position error
 (AR-FN5A)

Details

The side guide plate cannot return to the 
posittion of home position error.

Cause

Side guide plate drive motor abnormality.

Side guide plate home position sensor 
abnormality.
Finisher PWB abnormality.

Check 
and 
remedy

Use SIM3-3-1 to check the side guide 
plate motor operation. 

03

Content

Paddle motor trouble (AR-F14N)

Details

Paddle motor operation abnormality

Cause

Motor lock.

Motor rpm abnormality.
Overcurrent to the motor.

Finisher control PWB trouble.

Check 
and 
remedy

Use SIM3-3-10 to check the paddle motor 
operation

06

Content

Offset motor trouble (AR-FN5A)
Slide motor trouble (AR-F14N)

Details

(AR-FN5A) When the offset motor of the 
finisher is driven it does not reach the 
specified position.

(AR-F14N) 

Slide motor operation 

abnormality

Cause

(AR-FN5A)

Offset motor abnormality.

Offset motor origin sensor abnormality.
Finisher PWB abnormality.

(AR-FN14N)

Motor lock.
Motor rpm abnormality.

Overcurrent to the motor.

Finisher control PWB trouble.

Check 
and 
remedy

(AR-FN5A)

Use SIM 3-3-6 to check the offset motor 
operation

(AR-F14N)
Use SIM 3-3-6 to check the slide motor 
operation

Trouble 

code

Details of trouble

Main 
code

Sub 

code

F1

08

Content

Staple motor error (AR-FN5A)

Details

The staple motor cannot return to the 
home position

Cause

Staple motor abnormality.

Staple motor home position sensor 
abnormality.
Staple unit abnormality.

Finisher PWB abnormality.

Check 
and 
remedy

Use SIM 3-3-7 to check the staple motor 
operation

10

Content

Staple motor trouble (AR-F14N)

Details

Staple motor operation abnormality 

Cause

Motor lock.

Motor rpm abnormality.
Overcurrent to the motor.

Finisher control PWB trouble.

Check 
and 
remedy

Use SIM 3-3-5 to check the staple motor 
operation.

11

Content

Rear edge plate home position error 
(AR-FN5A)
Bundle exit motor trouble (AR-F14N)

Details

(AR-FN5A) The rear edge plate cannot 
return to the home position

(AR-F14N) Bundle exit motor operation 
abnormality

Cause

(AR-FN5A)
Rear edge plate drive motor abnormality.

Side guide plate home position sensor 
abnormality.

Finisher PWB abnormality.
(AR-F14N)
Motor lock.

Motor rpm abnormality.

Overcurrent to the motor.
Finisher control PWB trouble.

Check 
and 
remedy

(AR-FN5A) Use SIM 3-3-2 to check the 
rear edge plate motor operation

(AR-F14N) Use SIM 3-3-9 to check the 
bundle exit motor operation

15

Content

Finisher lift-up motor trouble

Details

The finisher lift-up motor does not reach 
the specified position

Cause

Lift-up motor abnormality.
Lift-up motor upper limit sensor 
abnormality.

Finisher PWB abnormality.

Check 
and 
remedy

Use SIM 3-3-5 to check the lift-up motor 
operation

19

Content

Alignment motor (F) trouble (AR-F14N)

Details

Alignment motor operation abnormality

Cause

Motor lock.
Motor rpm abnormality.

Overcurrent to the motor.

Finisher control PWB trouble.

Check 
and 
remedy

Use SIM3-3-8 to check the alignment (F) 
motor operation. 

Trouble 

code

Details of trouble

Main 
code

Sub 

code