MX-FN26. Service Manual for FN26N. - Sharp Copying Equipment Service Manual (repair manual). Page 11

MX-FN26 N  TROUBLE CODE  5 – 2

 

 

 

  

Phenomenon

Operation trouble of the paper alignment plate F

Case 1

Cause

Connection trouble or disconnection of the connector 
and the harness of the motor

Check & 
Remedy

Check the connection of the connector and the 
harness in the motor line with the finisher control 
PWB.
Connect the connector properly. Replace the 
harness.

Case 2

Cause

Paper alignment plate home position sensor F 
(FAPHPS-F) trouble.

Check & 
Remedy

Check to confirm that the FAPHPS-F turns ON/OFF 
with SIM3-2.
If it does not turn ON/OFF, check the connection of 
the connector and the harness of the sensor.
Replace the sensor.

Case 3

Cause

Motor lock, an over current to the motor, intrusion of 
foreign material.

Check & 
Remedy

Select the FPAM-F with SIM3-3 to check the 
operation of the single unit.
Check to confirm that there is no foreign material in 
the drive section and the alignment plate.

Case 4

Cause

Finisher control PWB trouble. Motor trouble

Check & 
Remedy

Replace the finisher control PWB or the motor.

Phenomenon

Operation trouble of the paper alignment plate R

Case 1

Cause

Connection trouble or disconnection of the connector 
and the harness of the motor

Check & 
Remedy

Check the connection of the connector and the 
harness in the motor line with the finisher control 
PWB.
Connect the connector properly. Replace the 
harness.

Case 2

Cause

Paper alignment plate home position sensor R 
(FAPHPS-R) trouble.

Check & 
Remedy

Check to confirm that the FAPHPS-R turns ON/OFF 
with SIM3-2.
If it does not turn ON/OFF, check the connection of 
the connector and the harness of the sensor.
Replace the sensor.

Case 3

Cause

Motor lock, an over current to the motor, intrusion of 
foreign material.

Check & 
Remedy

Select the FPAM-R with SIM3-3 to check the 
operation of the single unit.
Check to confirm that there is no foreign material in 
the drive section and the alignment plate.

Case 4

Cause

Finisher control PWB trouble. Motor trouble

Check & 
Remedy

Replace the finisher control PWB or the motor.

Phenomenon

When the finisher cooling fan is operating, the lock 
signal is not canceled in a certain time.

Case 1

Cause

Improper connection or disconnection of the fan 
connector and harness.

Check & 
Remedy

Check the connector and harness of the finisher 
control PWB and the fan line.
Connect the connector securely. Replace the 
harness.

Case 2

Cause

Motor lock, an over current to the motor, intrusion of 
a foreign material.

Check & 
Remedy

Select the FCF with SIM03-03 and check the 
operation of the single unit.

Case 3

Cause

Finisher control PWB trouble, fan trouble.

Check & 
Remedy

Replace the finisher control PWB or the fan.

Phenomenon

Backup RAM operation trouble

Case 1

Cause

Finisher control PWB trouble. EEPROM trouble.

Check & 
Remedy

Replace the finisher control PWB or the EEPROM.

Phenomenon

Connection of a finisher incompatible with the 
machine is detected.

Case 1

Cause

Connection of a finisher incompatible with the 
machine is detected.

Check & 
Remedy

Connect the MX-FN26 to the machine.