• Code: 590
• Description: Fan motor error
  The machine does not lock for 3sec during rotating the fusing fan motor.
• Causes: • Fan motor disconnected, defective • Fan motor harness loose, broken, defective

• Code: 591
• Description: PSU fan error
  The machine does not lock for 3sec during rotating the PSU fan motor.
• Causes: • Defective PSU fan

• Code: 620
• Description: GAVD communication error
  The machine detects an error data of the ASIC.
• Causes: • Defective engine board • Defective ASIC

• Code: 622
• Description: Paper tray unit communication error
  Three consecutive errors occur during polling, after the paper tray unit is successful I2C communication.
• Causes: • Disconnect harnesses

• Code: 632
• Description: Counter device error 1
  After 3 attempts to send a data frame to the optional counter device via the serial communication line, no ACK signal was received within 100 ms.
• Causes: • Serial line between the optional counter device, the relay board and copier control board is disconnected or damaged • Make sure that SP5113 is set to enable the optional counter device. 1. Check if the setting of the SP5113 is correctly set. 2. Check the connection between the main machine and optional counter device.

• Code: 633
• Description: Counter device error 2
  After communication is established, the controller receives the brake signal from the accounting device.
• Causes: • Serial line between the optional counter device, the relay board and copier control board is disconnected or damaged • Make sure that SP5113 is set to enable the optional counter device. 1. Check if the setting of the SP5113 is correctly set. 2. Check the connection between the main machine and optional counter device.

• Code: 634
• Description: Counter device error 3
  A backup RAM error was returned by the counter device.
• Causes: • Counter device control board defective • Backup battery of counter device defective Replace the counter device.

• Code: 635
• Description: Counter device error 4
  A backup battery error was returned by the counter device.
• Causes: • Counter device control board defective • Backup battery of counter device defective Replace the counter device.