• Code: 641
• Description: BICU control data transfer abnormal Data send from BICU to controller failed after 3 attempts.
• Causes: • Controller board defective • External noise • BICU board defective

• Code: 690
• Description: GAVD block I2C bus error An error is detected in the GAVD communication I2C control register of the GABIC2.
• Causes: • I2C bus on BICU defective

• Code: 691
• Description: GAVD FCI block I2C bus error An error is detected in the FCI communication I2C control register of the GABIC2.
• Causes: • I2C bus on BICU defective

• Code: 692
• Description: CDIC GAVD block I2C bus error An error is detected in the CDIC communication I2C control register of the GABIC2.
• Causes: • I2C bus on BICU defective

• Code: 722
• Description: Finisher jogger motor error The finisher jogger H.P. sensor does not return to the home position, or move out of the home position, within the specified time.
• Causes: • Jogger H.P. sensor defective • Jogger motor defective

• Code: 724
• Description: Finisher staple hammer motor error Stapling not complete within 600 ms after the staple hammer motor turns on.
• Causes: • Staple jam • Stapler overload caused by trying to staple too many sheets • Staple hammer motor defective

• Code: 725
• Description: Finisher stack feed-out motor error The stack feed-out belt H.P. sensor does not activate within the specified time after the stack feed-out motor turns on.
• Causes: • Stack feed-out H.P. sensor defective • Stack feed-out motor overload • Stack feed-out motor defective

• Code: 726
• Description: Finisher shift tray 1 lift motor error • Tray shift does not finish within the specified time after the shift motor turns on • Stack height sensor does not activate within the specified time after the shift tray lift motor turns on.
• Causes: • Shift motor defective or overloaded • Shift tray lift motor defective or overloaded