Description: Z-Folding unit error 4 B140
2000 ms after the fan motor switched on, the lock signal did not release.
Causes: • Fan motor defective
• Fan motor disconnected
• Fan motor locked because of too much load
• Z-Fold main control board defective
Code: 754
Description: Z-Fold Unit Fan Motor Error B246
The motor lock signal failed to release within 2 sec. after the Z-fold unit fan motor turned on.
Causes: • Fan motor connected loose, broken defective
• Fan motor defective
• Fan blocked by an obstruction
Code: 755
Description: Z-Folding unit error 5 B140
The fold timing sensor does not operate correctly.
Causes: • Paper dust on the sensor
• Sensor disconnected, defective
• Reflector plate dirty, or out of position
• Z-Fold main control board defective
Code: 756
Description: Z-Folding unit error 6
The leading edge sensor does not operate correctly.
Causes: • Paper dust on the sensor
• Sensor disconnected, defective
• Reflector plate dirty, or out of position
• Z-Fold main control board defective
Code: 757
Description: Z-Folding unit error 7
The machine could not write to the EEPROM two times (one after the other).
Causes: • EEPROM defective, replace Z-Fold main control board
Code: 760
Description: Finisher punch motor error
The punch HP sensor is not activated within the specified time after the punch motor turned on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
Causes: • Punch HP sensor disconnected, defective
• Punch motor disconnected, defective
• Punch motor overload due to obstruction
Code: 761
Description: Finisher folder plate motor error
The folder plate moves but is not detected at the home position within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
Causes: • Folder plate HP sensor disconnected, defective
• Folder plate motor disconnected, defective
• Folder plate motor overloaded due to obstruction.
Code: 762
Description: Finisher pressure plate motor error
Pressure plate motor operating but the plate is not detected at the home position within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
Causes: • Pressure plate HP sensor disconnected, defective
• Pressure plate motor disconnected, defective
• Pressure plate motor overloaded due to obstruction