• Code: E748-4000
• Description: G-Chip loopback ended in timeout.
• Causes:
• Remedy:

• Code: E748-4020
• Description: Unknown device was detected on PCI.
• Causes:
• Remedy:

• Code: E760-0000
• Description: Exception of CPU processing occurred.
• Causes:
• Remedy:

• Code: E805-0001
• Description: Error in duplex cooling fan
• Causes: Fan 1 failure
• Remedy:

• Code: E805-0003
• Description: Error in duplex cooling fan
• Causes: Detection of error in CPUFAN Rotation ended in failure due to an error that occurred in CPU Fan.
• Remedy:

• Code: E805-0005
• Description: Error in duplex cooling fan
• Causes: Duplex cooling fan can not rotate the specified number of rotations. Cause Failure in duplex cooling fan, failure in DC controller PCB
• Remedy: - Check the connectors of duplex cooling fan and DC controller PCB - Replace the duplex cooling fan

• Code: E806
• Description: Error in power supply cooling fan
• Causes: Power cooling fan can not rotate the specified number of rotations. Cause Failure in power supply cooling fan, failure in DC controller PCB
• Remedy: - Check the connectors of power supply cooling fan and DC controller PCB - Replace the power cooling fan

• Code: E808-0001
• Description: Error in low voltage power supply
• Causes: If printer detects a breakdown in low voltage power supply. Cause Breakdown in low pressure power supply, failure in DC controller PCB
• Remedy: - Check the connectors of power unit and DC controller PCB - Replace the power unit