• Code: 746
• Description: Stack Plate Motor Error 1: Center Motor (B830) The stack plate HP sensor (center) 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 • Center stack plate HP sensor harness loose, broken, defective • Center stack plate HP sensor defective If the motor is not operating: • Motor blocked by an obstruction • Motor harness loose, broken, defective • Motor defective • Finisher main board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the stack plate HP sensor (center). 4. Replace the stack plate motor (center). 5. Replace the finisher main board.

• Code: 747
• Description: Stack Plate Motor Error 2: 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 • Front stack plate HP sensor harness loose, broken, defective • Front stack plate HP sensor defective If the motor is not operating: • Motor blocked by an obstruction • Motor harness loose, broken, defective • Motor defective • Finisher main board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the stack plate HP sensor (front). 4. Replace the stack plate motor (front). 5. Replace the finisher main board

• Code: 748
• Description: Stack Plate Motor Error 3: Rear Motor (B830) The stack plate HP sensor (rear) 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 • Rear stack plate HP sensor harness loose, broken, defective • Rear stack plate HP sensor defective If the motor is not operating: • Motor blocked by an obstruction • Motor harness loose, broken, defective • Motor defective • Finisher main board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the stack plate HP sensor (rear). 4. Replace the stack plate motor (rear). 5. Replace the finisher main board.

• Code: 750
• Description: Tray 1 (Upper Tray Lift) Motor Error: 3K Finisher B830 The upper tray paper height sensor does not change its status within 20 sec. 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
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the upper tray paper height sensor. 4. Replace the upper tray lift motor. 5. Replace the finisher main board.

• Code: 753
• Description: Drag Drive Motor Error: 3K Finisher B830 The drag drive HP sensor did not detect the stacking roller at the HP sensor within 1 sec. -or- The drag roller did not leave the home position at the specified time. The 1st failure causes a jam error, and the 2nd failure causes this SC code.
• Causes: If the motor is operating • Drag drive HP sensor harness loose, broken, defective • Drag drive HP sensor defective If the motor is not operating: • Motor blocked by an obstruction • Motor harness loose, broken, defective • Motor defective • Finisher main board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the drag drive HP sensor. 4. Replace the drag drive motor. 5. Replace the finisher main board.

• Code: 754
• Description: Drag Roller Motor Error: 3K Finisher B830 The stacking roller drag motor did not turn on.
• Causes: • Motor harness loose, broken, defective • Motor defective • Finisher control board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the drag roller motor. 4. Replace the finisher main board.

• Code: 755
• Description: Shift Motor Error: 3K Finisher (B830) The shift tray half-turn sensors: Failed twice to detect the shift tray at the home position at the specified time. -or- Failed twice to detect that the shift tray had left the home position. The 1st failure causes a jam error, and the 2nd failure causes this SC code.
• Causes: If the motor is operating • Half-turn sensor 1, 2 harnesses loose, broken, defective • One of the half-turn sensors defective If the motor is not operating: • Motor blocked by an obstruction • Motor harness loose, broken, defective • Motor defective • Finisher main board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the shift tray half-turn sensor 1 or 2. 4. Replace the shift motor. 5. Replace the finisher main board.

• Code: 760
• Description: Finisher punch motor error: 3K Finisher B830 The punch HP sensor is not activated within the specified time after the punch motor turned on. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Punch HP sensor disconnected, defective • Punch motor disconnected or defective • Punch motor overload due to obstruction
• Remedy: 1. Check the connections and cables for the punch motor and HP sensor. 2. Check for blockages in the punch motor mechanism. 3. Replace the punch HP sensor and/or punch motor 4. Replace the finisher main board.