• Code: 687
• Description: Memory address command error
  The BICU does not receive a memory address command from the controller 120 seconds after paper is in the position for registration.
• Causes: • Loose connection • Defective controller • Defective BICU
• Remedy: 1. Check if the controller is firmly connected to the BICU. 2. Replace the controller. 3. Replace the BICU.

• Code: 690
• Description: GAVD communication error
  • The I2C bus device ID is not identified during initialization. • A device-status error occurs during I2C bus communication. • The I2C bus communication is not established due to an error other than a buffer shortage.
• Causes: • Loose connection • Defective BICU • Defective LD controller board
• Remedy: 1. Turn the main switch off and on. 2. Check the cable connection. 3. Replace the laser optics-housing unit. 4. Replace the BICU board.

• Code: 721
• Description: Finisher jogger motor error
  The jogger fences move out of the home position but the HP sensor output does not change within the specified number of pulses. The 1st failure issues an original jam message, and the 2nd failure issues this SC code.
• Causes: • Jogger HP sensor disconnected, defective • Jogger motor disconnected, defective • Jogger motor overloaded due to obstruction • Finisher main board and jogger motor
• Remedy: 1. Check the connections and cables for the components mentioned above. 2. Check for blockages in the jogger motor mechanism. 3. Replace the jogger HP sensor and/or jogger motor. 4. Replace the finisher main board.

• Code: 723
• Description: Stack feed-out motor error
  • The stack feed-out HP sensor does not detect the home position of the stack feed-out belt 3000ms after the stack feed-out belt has moved to its home position. • The stack feed-out HP sensor does not turn off 200 ms after the stack feed-out belt has moved from its home position. • The 1st detection failure causes a jam error, and the 2nd failure causes this SC code.
• Causes: • Defective stack feed-out HP sensor • Overload on the stack feed-out motor • Defective stack feed-out motor • Defective main board • Disconnected or defective harness
• Remedy: 1. Check the connections and cables for the components mentioned above. 2. Check for blockages in the stack feed-out motor mechanism. 3. Replace the stack feed-out HP sensor and/or stack feed-out motor. 4. Replace the finisher main board.

• Code: 725
• Description: Finisher exit guide plate motor error
  After moving away from the guide plate position sensor, the exit guide is not detected at the home position within the prescribed time. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Guide plate motor disconnected, defective • Guide plate motor overloaded due to obstruction • Guide plate position sensor disconnected, defectiveon.
• Remedy: 1. Check the connections and cables for the components mentioned above. 2. Check for blockages in the guide plate motor mechanism. 3. Replace the guide plate position sensor and/or guide plate motor 4. Replace the finisher main board.

• Code: 730
• Description: Finisher Tray 1 shift motor error
  The shift roller HP sensor of the upper tray does not activate within the prescribed time after the shift tray starts to move toward or away from the home position. The 1st detection failure issues a jam error, and the 2nd failure issues this SC code.
• Causes: • Shift tray HP sensor of the upper tray disconnected, defective • Shift tray motor of the upper tray is disconnected, defective • Shift tray motor of the upper tray overloaded due to obstruction
• Remedy: 1. Check the connections and cables for the components mentioned above. 2. Check for blockages in shift motor mechanism. 3. Replace the shift tray HP sensor and/or shift motor 4. Replace the finisher main board.

• Code: 740
• Description: Finisher corner stapler motor error
  The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. For 1000-sheet (booklet) finisher • The stapler motor does not switch off within the prescribed time after operating. • The HP sensor of the staple unit does not detect the home position after the staple unit moves to its home position. • The HP sensor of the staple unit detects the home position after the staple unit moves from its home position.
• Causes: • Staple jam • Motor overload • Defective stapler motor
• Remedy: 1. Check the connections and cables for the components mentioned above. 2. Replace the HP sensor and/or stapler motor 3. Replace the finisher main board.

• Code: 742
• Description: Finisher stapler movement motor error
  For 1000-sheet (booklet) finisher • The stapler HP sensor is not activated within the specified time after the stapler motor turned on. (first detection: jam error, consecutive twice detection 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 the connection of the stapler movement motor. 2. Check the connection of the stapler home position sensor. 3. Replace the stapler home position sensor. 4. Replace the stapler movement motor.