AR-P350, AR-P450 (serv.man8). ARP350 and ARP450 Service Manual - Sharp Copying Equipment Service Manual (repair manual). Page 74

AR-P350 TROUBLE CODES-3

F1

80

Content

Finisher power abnormality

Detail

The 24V power is not supplied to the finisher 
PWB. 

Cause

Improper connection or disconnection of 
connector and harness
Finisher control PWB trouble
Power unit trouble

Check and 
remedy

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

87

Content

Finisher staple rotation motor trouble

Detail

Front staple rotation motor trouble

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble

Check and 
remedy

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

F1

00

Content

Mail box communication trouble

Detail

Communication cable test error after turning 
on the power or exiting from DIAG.
Communication error with the mail box.

Cause

Improper connection or disconnection of 
connector and harness between the machine 
and the mail box. 
Mail box control PWB trouble
Control PWB (PCU) trouble
Malfunction by noises

Check and 
remedy

Canceled by turning OFF/ON the power.
Check harness and connector in the 
communication line.
Replace the mail box PWB or PCU PWB.

02

Content

Mail box transport motor abnormality

Detail

Transport motor trouble

Cause

Motor lock
Motor rpm abnormality
Overcurrent to the motor
Mail box control PWB trouble

Check and 
remedy

Use DIAG (SIM3-21) to check the transport 
motor operation.

12

Content

Mail box gate trouble

Detail

Gate operation abnormality

Cause

Gate lock
Mail box control PWB trouble

Check and 
remedy

Use DIAG (SIM3-21) to check the transport 
gate operation. 

80

Content

Finisher power abnormality

Detail

The 24V power is not supplied to the finisher 
PWB.

Cause

Improper connection or disconnection of 
connector and harness
Finisher control PWB trouble
Power unit trouble

Check and 
remedy

Use DIAG (SIM3-20) to check the sensor 
operation.

MAIN

SUB

F1

03

Content

Console finisher paddle motor trouble

Detail

Paddle motor operation abnormality

Cause

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

Check and 
remedy

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

06

Content

Console finisher slide motor trouble

Detail

Slide motor operation abnormality

Cause

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

Check and 
remedy

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

10

Content

Console finisher stapler motor trouble

Detail

Stapler motor operation abnormality

Cause

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

Check and 
remedy

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

11

Content

Console finisher bundle exit motor trouble

Detail

Bundle exit motor operation abnormality

Cause

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

Check and 
remedy

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

15

Content

Console finisher lift motor trouble

Detail

Lift motor operation abnormality

Cause

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

Check and 
remedy

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

19

Content

Console finisher front alignment motor 
trouble

Detail

Front alignment motor operation abnormality

Cause

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

Check and 
remedy

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

20

Content

Console finisher rear alignment motor trouble

Detail

Rear alignment motor operation abnormality

Cause

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

Check and 
remedy

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

MAIN

SUB