• Code: 720-70
• Description: 1000/2000/3000-sheet (booklet) finisher: Tray lift motor error
  The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. The upper tray paper height sensor does not change its status with the specified time after the tray raises or lowers.
• Causes: • Motor overload • Loose connection of the shift tray motor • Defective shift tray motor
• Remedy: 1. Check the connections to the shift tray motor. 2. Replace the shift tray motor.

• Code: 720-71
• Description: Finisher Tray 1 shift motor error
  The shift roller HP sensor of the upper tray does not activate within the prescribed time after the shift tray starts to move toward or away from the home position. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Shift tray HP sensor of the upper tray disconnected, defective • Shift tray motor of the upper tray is disconnected, defective • Shift tray motor of the upper tray overloaded due to obstruction
• Remedy: 1. Check the connections and cables for the components mentioned above. 2. Check for blockages in shift motor mechanism. 3. Replace the shift tray HP sensor and/or shift motor 4. Replace the finisher main board.

• Code: 720-75
• Description: Stacking sponge roller motor
  Occurs during the operation of the stacking sponge roller motor.
• Causes: • Disconnected, looser or defective motor harness • Motor overloaded • Disconnected, loose or defective sensor harness • Defective stacking sponge roller motor • Defective stacking roller HP sensor
• Remedy: 1. Check the connections of the stacking sponge roller motor. 2. Check the connections of the stacking sponge roller HP sensor. 3. Replace the stacking sponge roller motor. 4. Replace the stacking sponge roller HP sensor.

• Code: 720-80
• Description: Punch movement motor error
  The punch unit 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: • Motor harness disconnected, loose, defective • Defective motor
• Remedy: 1. Check the connections to the punch movement motor. 2. Replace the punch movement motor

• Code: 720-81
• Description: Paper position sensor slide motor error
  The paper position sensor 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: • Motor harness disconnected, loose, defective • Defective motor
• Remedy: 1. Check the connections to the paper position sensor slide motor. 2. Replace the paper position sensor slide motor.

• Code: 722-10
• Description: Paper feed motor error: proof tray
  Motor driver error signal is output.
• Causes: • Motor harness disconnected, loose, defective • Defective motor • Overload on the motor
• Remedy: 1. Check the connections to the paper feed motor. 2. Replace the paper feed motor.

• Code: 722-14
• Description: Paper feed motor error: lower tray
  Motor driver error signal is output.
• Causes: • Motor harness disconnected, loose, defective • Defective motor • Overload on the motor
• Remedy: 1. Check the connections to the paper feed motor. 2. Replace the paper feed motor.

• Code: 722-17
• Description: Paper feed motor error: inner tray
  Motor driver error signal is output.
• Causes: • Motor harness disconnected, loose, defective • Defective motor • Overload on the motor
• Remedy: 1. Check the connections to the paper feed motor. 2. Replace the paper feed motor.