Code :

Code: 50.2
Display: 50.2 FUSER ERROR
Description: Fuser warm-up failure
Remedy: 1. Reinstall the fuser. 2. Check the connector J50 between the fuser and the product. If either is damaged, replace the connector or fuser. 3. Reconnect the connectors J160 and J162 on the DC controller PCA and connector J25 on the power line between the low voltage power supply and fuser. 4. Replace the wire harness that connects the fuser. 5. Replace the fuser. 6. If the error persists, replace the lowvoltage power supply.

Code: 50.3
Display: 50.3 FUSER ERROR
Description: High fuser temperature
Remedy: Reinstall the fuser. Check connector J50 between the fuser and the product. If either is damaged, replace the connector or fuser. If the error persists, replace the low-voltage power supply.

Code: 50.4
Display: 50.4 FUSER ERROR
Description: Drive circuit fault
Remedy: 1. Check the power source. Make sure the power source meets product requirements. 2. Reconnect the connector J150 on the DC controller PCA. 3. If the message persists, replace the lowvoltage power supply.

Code: 50.5
Display: 50.5 FUSER ERROR
Description: The incorrect fuser was installed.
Remedy: CAUTION: The fuser can be hot while the product is in use. Wait for the fuser to cool before handling it. 1. Open the right door. 2. Remove the incompatible fuser. 3. Install the correct fuser. 4. Close the right door.

Code: 50.7
Display: 50.7 FUSER ERROR
Description: Fuser pressure-release mechanism failure
Remedy: 1. Reconnect the fuser-pressure release sensor intermediate connector J60, and connector J128 on the DC controller PCA. 2. Run the sensor test in the sensor monitor mode to verify that the fuser pressure-release sensor is functioning properly. If it is not, replace the fuser pressure-release sensor. 3. Check the fuser pressure-release sensor flag. If it is damaged, replace the fuser. 4. Run the fuser pressure-release drive test in actuator drive mode to verify that the fuser motor is functioning properly. If it is not, replace the fuser motor. 5. If the message persists, replace the fuser.

Code: 50.8
Display: 50.8 FUSER ERROR
Description: Low fuser temperature.
Remedy: Remove the fuser and any residual paper. Check connector J50 between the fuser and the product. If either is damaged, replace the connector or fuser.

Code: 50.9
Display: 50.9 FUSER ERROR
Description: High fuser temperature.
Remedy: Reinstall the fuser. Check the connector J50 between the fuser and the product. If either is damaged, replace the connector or fuser. If the error persists, replace the low-voltage power supply.

Code: 50.X
Display: 50.X FUSER ERROR
Description: A fuser error has occurred.
Remedy: Make sure you have the correct fuser. Reseat the fuser. Turn the product off, and then turn the product on.