• Code: SC738
• Description: Pre-Stack Junction Gate Release Motor Error: B830
  The pre-stack junction gate release HP sensor did not detect the gate at the home position within 200 ms after two attempts. -or- The HP sensor twice detected the gate at the home position for more than 200 ms after it was supposed to open.
• Causes: • Junction gate did not arrive at the home position within the specified time • Junction gate did not leave the home position within the specified time

• Code: SC740
• Description: Finisher corner stapler motor error (B830)
  The stapler motor does not switch off within the prescribed time after operating. The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Causes: • Staple jam • Number of sheets in the stack exceeds the limit for stapling • Stapler motor disconnected, defective

• 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 causes a jam error, and the 2nd failure causes 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 causes a jam error, and the 2nd failure causes 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 causes a jam error, and the 2nd failure causes 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 causes a jam error, and the 2nd failure causes this SC code.
• Causes: • Rear motor disconnected, defective • Rear motor overloaded due to obstruction

• Code: SC745
• 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

• Code: SC746
• 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