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

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

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

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

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

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

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

• Code: EF
• Description: LVPS PCB failure
• Causes: LVPS PCB failure. Main PCB failure
• Remedy: Replace the LVPS PCB ASSY. Replace the main PCB ASSY.