• Code: SC741
• 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: • Stapler rotation motor disconnected, defective • Stapler rotation motor overloaded due to obstruction • Stapler rotation HP sensor disconnected, defective

• Code: SC742
• Description: Finisher stapler movement motor error
  The stapler HP sensor is not activated within the specified time after the stapler motor turned on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Stapler movement motor disconnected, defective • Stapler movement motor overloaded due to obstruction • Stapler HP sensor disconnected, defective

• Code: SC743
• Description: Booklet stapler motor error 1
  The front stapler unit saddle-stitch motor does not start operation within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Front motor disconnected, defective • Front motor overloaded due to obstruction

• Code: SC744
• Description: Booklet stapler motor error 2
  The rear stapler unit saddle-stitch motor does not start operation within the specified time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Rear motor disconnected, defective • Rear motor overloaded due to obstruction

• Code: SC750
• Description: Finisher tray 1 (upper tray lift) motor error
  The upper tray paper height sensor does not change its status with the specified time after the tray raises or lowers. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Tray lift motor disconnected, defective • Upper tray paper height sensor disconnected, defective • Finisher main board connection to motor loose • Finisher main board defective

• Code: SC751
• Description: Finisher tray 2 (lower tray lift) motor error
  The lower tray paper height sensor does not change its status with the specified time after the tray raises or lowers. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Tray lift motor disconnected, defective • Upper tray paper height sensor disconnected, defective • Finisher main board connection to motor loose • Finisher main board defective

• Code: SC752
• 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

• Code: SC753
• Description: Return roller motor error
  Occurs during the operation of the lower tray pressure motor.
• Causes: • Motor harness disconnected, loose, defective • Motor overloaded • Home position sensor harness disconnected, loose, defective • Home position defective