• 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 IPU • 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 IPU board.

• Code: 700
• Description: Original stopper HP error
  When the pick-up motor turns on clockwise, the original stopper HP sensor does not detect the home position of the original stopper.
• Causes: • Defective original stopper HP sensor • Defective pick-up motor • Defective DF drive board
• Remedy: 1. Replace the DF drive board if the pick-up motor does not work correctly. 2. Replace the pick-up motor. 3. Replace the original stopper HP sensor.

• Code: 701
• Description: Pick-up roller HP error
  When the pick-up motor turns on counterclockwise, the pick-up roller HP sensor does not detect the home position of the pick-up roller.
• Causes: • Defective pick-up roller HP sensor • Defective pick-up motor • Defective DF drive board
• Remedy: 1. Replace the DF drive board if the pick-up motor does not work correctly. 2. Replace the pick-up motor. 3. Replace the pick-up roller HP sensor.

• 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, defective
• 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 the 2000/3000-sheet (booklet) finisher • Staple movement is not finished after a certain time. For the 1000-sheet 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: 741
• 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 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. Replace the stapler rotation motor. 2. Replace the stapler rotation HP sensor.

• Code: 742
• Description: Finisher stapler movement motor error
  The 1st detection failure issues a jam error, and the 2nd failure issues this SC code. For the 2000/3000-sheet (booklet) finisher • Staple movement is not finished for a certain time. For the 1000-sheet 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.