Code :

Code: 50.1
Display: 50.1 FUSER ERROR
Description: The fuser has experienced a lowtemperature error.
Remedy: 1. Remove any paper jams from the fuser area. 2. Remove the fuser. Check the connector (J50) between the fuser and the product. Replace the cable or fuser if the connector is damaged. 3. If the problem persists, replace the fuser.

Code: 50.2
Display: 50.2 FUSER ERROR
Description: The fuser has experienced a warm-up error.
Remedy: 1. Reinstall the fuser. Check the connector (J50) between the fuser and the product. Replace the cable or fuser if the connector is damaged. 2. Reconnect the connectors (J138, J115) of the DC controller PCAy. Reconnect connector (J60), on the power line between the low voltage power supply and the fuser. 3. If the problem persists, replace the fuser.

Code: 50.3
Display: 50.3 FUSER ERROR
Description: The fuser has experienced a hightemperature error.
Remedy: 1. Reinstall the fuser. Check the connector (J50) between the fuser and the product. Replace the cable or fuser if the connector is damaged. 2. If the problem persists, replace the fuser.

Code: 50.4
Display: 50.4 FUSER ERROR
Description: The fuser driver circuit has experienced an error.
Remedy: 1. Check the power source. If a power generator is used, improve the situation. NOTE: If the product does not meet the power requirement of 43 to 67Hz frequency, the fuser temperature control does not work, which causes a malfunction. 2. Reconnect connector (J101) on the DC controller PCA. 3. If the problem persists, replace the lowvoltage power supply.

Code: 50.5
Display: 50.5 FUSER ERROR
Description: The fuser has experienced a type-mismatch error.
Remedy: 1. Reinstall the fuser. Check the connector (J50) between the fuser and the product. Replace the cable or fuser if the connector is damaged. 2. Reconnect the connector (J139) on the DC controller PCA. 3. If the problem persists, replace the fuser.

Code: 50.7
Display: 50.7 FUSER ERROR
Description: The fuser has experienced a pressure release mechanism error.
Remedy: 1. Reconnect the connectors (J117, J123) on the DC controller PCA. 2. Run the sensor test to test the fuser pressure-release sensor (H) SR7. If the sensor is defective, replace the fuser.

Code: 50.8
Display: 50.8 FUSER ERROR
Description: The fuser has experienced a lowtemperature error.
Remedy: 1. Remove any paper jams from the fuser area. 2. Reinstall the fuser. Check the connector (J50) between the fuser and the product. Replace the cable or fuser if the connector is damaged. 3. If the problem persists, replace the fuser.

Code: 50.9
Display: 50.9 FUSER ERROR
Description: The fuser has experienced a hightemperature error.
Remedy: 1. Reinstall the fuser. Check the connector (J150) between the fuser and the product. Replace the cable or fuser if the connector is damaged. 2. If the problem persists, replace the fuser.