• Code: DE
• Description: Central temperature of heat roller detected the temperature that was lower than 60°C)
• Causes: 1 Relay rear PCB ASSY connection failure. 2 Fuser unit failure. 3 Main PCB failure.
• Remedy: 1 Relay rear PCB ASSY connection failure Reconnect the relay rear PCB ASSY connector correctly. 2 Fuser unit failure Replace the fuser unit. 3 Main PCB failure Replace the main PCB ASSY.

• Code: E0
• Description: Program error
• Causes: 1 Program failure. 2 Main PCB failure
• Remedy: 1 Program failure Reinstall the latest firmware. 2 Main PCB failure Replace the main PCB ASSY.

• Code: E1
• Description: Main PCB failure
• Causes: 1 Main PCB failure
• Remedy: Replace the main PCB ASSY.

• Code: E2
• Description: Central temperature of heat roller exceeds 280°C
• Causes: 1 Fuser unit failure. 2 Main PCB failure
• Remedy: 1 Fuser unit failure Replace the fuser unit. 2 Main PCB failure Replace the main PCB ASSY.

• Code: E6
• Description: EEPROM error
• Causes: 1 Main PCB failure
• Remedy: Replace the main PCB ASSY.

• Code: EB
• Description: The data reading error for E2PROM
• Causes: 1 Main PCB failure
• Remedy: Replace the main PCB ASSY.

• Code: EC
• Description: Fuser fan failure
• Causes: 1 Main fan failure. 2 Main PCB failure
• Remedy: 1 Main fan failure Replace the main fan ASSY. 2 Main PCB failure Replace the main PCB ASSY.

• Code: ED
• Description: Wireless LAN connection failure between W-LAN PCB and access point
• Causes: 1 WLAN PCB failure. 2 Main PCB failure
• Remedy: 1 WLAN PCB failure Replace the WLAN PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.