• Code: 720-43
• Description: Finisher corner stapler rotation motor error
  The stapler does not return to its home position within the specified time after stapling. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Defective stapler rotation motor • Overload to the stapler rotation motor • Defective stapler rotation HP sensor
• Remedy: 1. Replace the stapler rotation motor. 2. Replace the stapler rotation HP sensor.

• Code: 720-44
• Description: Finisher corner stapler motor error
  The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. For the 2000/3000-sheet (booklet) finisher • Staple movement is not finished after a certain time. For the 1000-sheet finisher • The stapler motor does not switch off within the prescribed time after operating. • The HP sensor of the staple unit does not detect the home position after the staple unit moves to its home position. • The HP sensor of the staple unit detects the home position after the staple unit moves from its home position.
• Causes: • Staple jam • Motor overload • Defective stapler motor
• Remedy: 1. Check the connections and cables for the components mentioned above. 2. Replace the HP sensor and/or stapler motor 3. Replace the finisher main board.

• Code: 720-52
• 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
• Remedy: 1. Check the connections and cables for the folder plate motor and HP sensor. 2. Check for blockages in the folder plate motor mechanism. 3. Replace the folder plate HP sensor and/or folder plate motor 4. Replace the finisher main board.

• Code: 720-53
• Description: Fold unit bottom fence motor error
  The bottom fence of the fold 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 fold unit bottom fence motor. 2. Replace the fold unit bottom fence motor.

• Code: 720-55
• Description: Clamp roller retraction motor error
  The clamp roller retraction motor 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 clamp roller retraction motor motor. 2. Replace the clamp roller retraction motor motor.

• Code: 720-57
• Description: Stack junction gate motor error
  The stack junction gate 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 stack junction gate motor. 2. Replace the stack junction gate.

• Code: 720-60
• Description: Booklet stapler motor error 1
  The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. For the 2000/3000-sheet (booklet) finisher The front stapler unit saddle-stitch motor does not start operation within the specified time.
• Causes: • Motor overload • Loose connection of the front stapler motor • Defective front stapler motor
• Remedy: 1. Replace the front stapler motor.

• Code: 720-61
• Description: Booklet staple motor error 2
  The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. For the 2000/3000-sheet (booklet) finisher The rear stapler unit saddle-stitch motor does not start operation within the specified time.
• Causes: • Motor overload • Loose connection of the rear stapler motor • Defective rear stapler motor
• Remedy: 1. Replace the front stapler motor.