• Code: SC738
• 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.
• 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: 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
  • If error occurred during stapling, stapler rotation sensor 1 defective (replace stapler)
  • If error did not occur during stapling: staple jam:
  1 Motor blocked by an obstruction
  2 Stapler motor harness loose, broken, defective
  3 Corner stapler motor defective
  4 Main control board defective

• Code: SC741
• 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: • If the motor is running, 1 Stapler rotation home position sensor harnesses are broken, loose, or defective 2 Stapler rotation home position sensors are defective
  • If the motor is not running: 1 Motor is blocked by an obstruction 2 Motor harness is loose, broken, defective 3 Motor is defective

• Code: SC742
• Description: Finisher Stapler Movement 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: • If the motor is running, 1 Stapler home position sensor harness is broken, loose, or defective 2 Stapler home position sensor is defective
  • If the motor is not running: 1 Motor is blocked by an obstruction 2 Motor harness is loose, broken, defective 3 Motor is defective

• Code: SC743
• Description: Booklet Stapler Motor Error 1: Front Motor (Booklet Finisher)
  The front stapler unit saddle-stitch motor does not start operation within 600 ms. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Front motor harness loose, broken, defective
  • Front motor overloaded due to obstruction
  • Front motor defective
  • Booklet finisher control board defective

• Code: SC744
• Description: Booklet Stapler Motor Error 2: Rear Motor (Booklet Finisher)
  The rear stapler unit saddle-stitch motor does not start operation within 500 ms. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Rear motor harness loose, broken, defective
  • Rear motor overloaded due to obstruction
  • Rear motor defective
  • Booklet finisher control board defective

• Code: SC745
• Description: Feed-Out Belt Motor Error (Booklet Finisher)
  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 issues a jam error, and the 2nd failure issues 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 (3K Finisher B830)
  The stack plate HP sensor (front) does not activate within 500 ms after the motor turns on. The 1st detection failure issues a jam error, and the 2nd failure issues 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