• Code: 728
• Description: Shift jogger retraction motor error (B703)
  The side fences do not retract within the prescribed time after the retraction motor switches on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Motor harness disconnected, loose, defective • Motor defective • Motor overload • HP defective
• Remedy:

• Code: 740
• Description: Finisher corner stapler motor error
  The stapler motor does not switch off within the prescribed time after operating. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Staple jam • Number of sheets in the stack exceeds the limit for stapling • Stapler motor disconnected, defective
• Remedy:

• Code: 741
• 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
• Remedy:

• Code: 742
• 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
• Remedy:

• Code: 743
• 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
• Remedy:

• Code: 744
• 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
• Remedy:

• Code: 745
• Description: Feed-Out Belt Motor Error (D373/B830)
  The stack feed-out belt HP sensor does not activate within the specified time after the stack feed-out belt motor turns on. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Causes: If the motor is operating 1. Stack feed-out HP sensor harness loose, broken, defective 2. Stack feed-out HP sensor defective If the motor is not operating: 1. Feed-out motor blocked by an obstruction 2. Feed-out motor harness loose, broken, defective 3. Feed-out motor defective 4. Booklet finisher main board defective
• Remedy:

• Code: 746
• Description: Stack Plate Motor Error 1: Front Motor (B830)
  The stack plate HP sensor (front) does not activate within 500 ms after the motor turns on. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Causes: If the motor is operating 1. Front stack plate HP sensor harness loose, broken, defective 2. Front stack plate HP sensor defective If the motor is not operating: 1. Motor blocked by an obstruction 2. Motor harness loose, broken, defective 3. Motor defective 4. Booklet finisher main board defective
• Remedy: