AR-M700 (serv.man28). Self diag message and troubleshooting - Sharp Copying Equipment Service Manual (repair manual). Page 30

AR-M550/M620/M700  SELF DIAG MESSAGE AND TROUBLESHOOTING  9 - 30

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp

Message

Details

5-time continuous POD 
not-reached JAM 
detection
When POD1 not-reached 
jam is detected 5 times 
continuously.
POD1 jam counter is 
backed up and used in a 
print job after turning on 
the power.
The counter is cleared 
when POD1 jam does not 
occur in a job or when the 
trouble is canceled.

Section

Engine

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

The fusing jam is not 
canceled completely. 
(Jam paper remains.)

Remedy

Check for jam paper in 
the fusing section. 
(Winding, etc.)

Case 2

Trouble 
position/
Cause

POD1 sensor trouble, or 
harness connection 
trouble

Remedy

Check the PODC1 
sensor harness and 
installation of the fusing 
unit.

Case 3

Trouble 
position/
Cause

Fusing unit installation 
trouble

Remedy

Use SIM 14 to cancel the 
trouble

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp

Message

Details

Scanner feed trouble
Scanner feed is not 
completed within the 
specified time.
When MHP Soft is not 
detected within 2 sec 
after shifting the mirror 
base unit in the feeding 
direction.

Section

Scanner

Operation 
mode
Note 

Case 1

Trouble 
position/
Cause

Scanner unit trouble
The scanner wire is 
disconnected.

Remedy

Use SIM 1-1 to check 
scanning operation.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Scanner return trouble
Scanner return is not 
completed within the 
specified time.
MHPSon is not detected 
within 10sec after starting 
the mirror base unit in the 
return direction.

Section

Scanner

Operation 
mode

Note 

Case 1

Trouble 
position/
Cause

Scanner unit trouble
The scanner wire is 
disconnected.

Remedy

Use SIM 1-1 to check 
scanning operation.

Note 

Main 
code

Sub 

code

Title

Phenomenon

Display

Lamp
Message

Details

Main motor lock detection
Three successive trouble 
signals are detected after 
600 msec from starting 
the main motor.
No trouble is detected 
after 600msec above.

Section

Engine

Operation 
mode
Note 

Case 1

Trouble 
position/
Cause

Main motor trouble

Remedy

Use SIM 6-1 to check the 
main motor operation.

Note 

Case 2

Trouble 
position/
Cause

Improper disconnection 
of the harness between 
the PCU PWB and the 
main motor
Control circuit trouble

Remedy

Check the harness and 
the connector between 
the PCU PWB and the 
main motor.

Note