• Code: 737
• Description: Pre-Stack Transport Motor Error: 3K Finisher B830 The pre-stack transport motor is not operating.
• Causes: • Motor harness loose, broken, defective • Motor is blocked by an obstruction • Motor defective • Finisher main control board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the pre-stack transport motor. 4. Replace the finisher main board.

• Code: 738
• Description: Pre-Stack Junction Gate Release Motor Error: 3K Finisher 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. The 1st failure causes a jam error, and the 2nd failure causes this SC code.
• 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.
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the pre-stack junction gate release HP sensor. 4. Replace the pre-stack junction gate release motor. 5. Replace the finisher main board.

• Code: 740
• Description: Finisher corner stapler motor error: 3K Finisher B830 The stapler motor did not switch off within 600 ms after operating. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Number of sheets in the stack exceeded the limit for stapling • Stapler rotation sensor 1 defective • Staple jam • Motor blocked by an obstruction • Stapler motor harness loose, broken, defective • Corner stapler motor defective • Main control board defective
• Remedy: 1. Check the connections and cables for the components mentioned above. 2. Check or clear staple jams around the stapler. 3. Replace the stapler. 4. Replace the finisher main board.

• Code: 741
• Description: Finisher corner stapler rotation motor error: 3K Finisher B830 The stapler did not return to its home position within the specified time after stapling. -or- The stapler failed to leave the home position within the specified time. 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. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the stapler rotation HP sensor. 4. Replace the corner stapler rotation motor. 5. Replace the finisher main board.

• Code: 742
• Description: Finisher Stapler Movement Motor Error: 3K Finisher B830 Staple movement is not finished for a certain time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Motor overload • Loose connection of the stapler home position sensor • Loose connection of the stapler movement motor • Defective stapler home position sensor • Defective stapler movement motor
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the stapler home position sensor. 4. Replace the stapler movement motor. 5. Replace the finisher main board.

• Code: 743
• Description: Booklet Stapler Motor Error 1: Front Motor (Booklet Finisher B836) The booklet stapler - front 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: • Booklet stapler motor (front) harness loose, broken, defective • Booklet stapler motor (front) overloaded due to obstruction • Booklet stapler motor (front) defective • Booklet finisher control board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the booklet stapler motor - front. 4. Replace the finisher main board.

• Code: 744
• Description: Booklet Stapler Motor Error 2: Rear Motor (Booklet Finisher B836) The booklet stapler - rear 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: • Booklet stapler motor (rear) harness loose, broken, defective • Booklet stapler motor (rear) overloaded due to obstruction • Booklet stapler motor (rear) defective • Booklet finisher control board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the booklet stapler motor - rear. 4. Replace the finisher main board.

• Code: 745
• Description: Feed-Out Belt Motor Error (Finisher 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 • Stack feed-out HP sensor harness loose, broken, defective • Stack feed-out HP sensor defective If the motor is not operating: • Feed-out belt motor blocked by an obstruction • Feed-out belt motor harness loose, broken, defective • Feed-out belt motor defective • Booklet finisher main board defective
• Remedy: 1. Check or clear obstacles around the motor drive mechanism. 2. Check the harness connection. 3. Replace the stack feed-out belt HP sensor. 4. Replace the feed-out belt motor. 5. Replace the finisher main board.