• Code: 01
• Display: BOOTP problem BOOTP has a problem. Reconfigure DHCP/static IP
• Description: There is a problem with the network.
• Remedy: Check your network environment. You can change the network setting to DHCP or STATIC.

• Code: 02
• Display: BOOTP problem BOOTP has a problem. Switching to Auto IP
• Description: There is a problem with the network.
• Remedy: Check your network environment. You can change the network setting to DHCP or STATIC.

• Code: 02-000
• Display: System error Error: #02-000 Turn off then on
• Description: Fuser has some problems.
• Remedy: 1. Remove the fuser unit and re-install it. 2. Replace the fuser unit. 3. Replace the SMPS board.

• Code: 02-001
• Display: Low Heat error Error: #02-001 Turn off then on
• Description: 1. At warm up, the temperature keep up the lower temperature for regular time. 2. In case that the temperature has not reached warm up temperature after warm-up time. 3. At ready, Less than target temperature and for more than 10 sec. 4. At printing, Less than printing Ref. temp and for more than 10 sec.
• Remedy: 1. Measure the resistance value of the thermostat. Is it infinite? Replace the thermostat. 2. Measure the resistance value of the lamp. Is it infinite? Replace the fuser unit. 3. Check that the fuser connector is connected properly. 4. Measure the resistance value of the thermistor. Is it infinite? Replace the thermistor. 5. Replace the fuser unit.

• Code: 02-002
• Display: Over Heat error Error: #02-002 Turn off then on
• Description: 1. At warm up, the temperature keep up the lower temperature for regular time. 2. At warm up, after temperature checking time, more than regular temperature and for more 30 sec. 3. At standby or not sleep, more than Top temp and for a few minutes. 4. At power save mode, the temperature keep up the constant for regular time.
• Remedy: 1. Measure the resistance value of the thermostat. Is it infinite? Replace the thermostat. 2. Measure the resistance value of the lamp. Is it infinite? Replace the fuser unit. 3. Check that the fuser connector is connected properly. 4. Measure the resistance value of the thermistor. Is it infinite? Replace the thermistor. 5. Replace the fuser unit.

• Code: 03
• Display: Connection Error
• Description: Connection with the SMTP server failed.
• Remedy: Check the server settings and the network cable.

• Code: 04
• Display: Data Read Fail Check USB key
• Description: Time expired while reading date.
• Remedy: Try again.

• Code: 04-001
• Display: LSU error Error: #04-001 Turn off then on
• Description: After LD on, the Laser beam detect signal is not occurred or irregular.
• Remedy: 1. Replace the Main board. 2. If the problem persists after replacing the Main board, replace the LSU unit.