Display: Print Unable 05 Turn the power off and then back on again.
Description: After the center thermistor of the fuser unit was normally heated, it detected a temperature lower than the specified value.
Causes: 1 Connection failure of the center or side thermistor harness of the fuser unit 2 Connection failure of the heater harness of the fuser unit 3 Harness connection failure of the eject sensor PCB 4 Harness connection failure of the low-voltage power supply PCB 5 Eject sensor PCB failure 6 Fuser unit failure 7 Low-voltage power supply PCB failure 8 Main PCB failure
Remedy: Check the harness connection of the center or side thermistor of the fuser unit and reconnect them. Check the harness connection of the heater of the fuser unit and reconnect it. Check the harness connection of the eject sensor PCB and reconnect it. Check the harness connection of the low-voltage power supply PCB and reconnect it. Replace the eject sensor PCB ASSY. Replace the fuser unit. Replace the low-voltage power supply PCB ASSY. Replace the main PCB ASSY.
Code: 0505
Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor of the fuser unit detected a temperature rise greater than the specified value within a set period of time.
Causes: 1 Connection failure of the center or side thermistor harness of the fuser unit 2 Connection failure of the heater harness of the fuser unit 3 Harness connection failure of the eject sensor PCB 4 Harness connection failure of the low-voltage power supply PCB 5 Eject sensor PCB failure 6 Fuser unit failure 7 Low-voltage power supply PCB failure 8 Main PCB failure
Remedy: Check the harness connection of the center or side thermistor of the fuser unit and reconnect them. Check the harness connection of the heater of the fuser unit and reconnect it. Check the harness connection of the eject sensor PCB and reconnect it. Check the harness connection of the low-voltage power supply PCB and reconnect it. Replace the eject sensor PCB ASSY. Replace the fuser unit. Replace the low-voltage power supply PCB ASSY. Replace the main PCB ASSY.
Code: 0506
Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor of the fuser unit detected a temperature fall greater than the specified value within a set period of time.
Causes: 1 Connection failure of the center or side thermistor harness of the fuser unit 2 Connection failure of the heater harness of the fuser unit 3 Harness connection failure of the eject sensor PCB 4 Harness connection failure of the low-voltage power supply PCB 5 Eject sensor PCB failure 6 Fuser unit failure 7 Low-voltage power supply PCB failure 8 Main PCB failure
Remedy: Check the harness connection of the center or side thermistor of the fuser unit and reconnect them. Check the harness connection of the heater of the fuser unit and reconnect it. Check the harness connection of the eject sensor PCB and reconnect it. Check the harness connection of the low-voltage power supply PCB and reconnect it. Replace the eject sensor PCB ASSY. Replace the fuser unit. Replace the low-voltage power supply PCB ASSY. Replace the main PCB ASSY.
Code: 050A
Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor or side thermistor of the fuser unit detected some temperature error in the hardware.
Causes: 1 Connection failure of the center or side thermistor harness of the fuser unit 2 Connection failure of the heater harness of the fuser unit 3 Harness connection failure of the eject sensor PCB 4 Harness connection failure of the low-voltage power supply PCB 5 Eject sensor PCB failure 6 Fuser unit failure 7 Low-voltage power supply PCB failure 8 Main PCB failure
Remedy: Check the harness connection of the center or side thermistor of the fuser unit and reconnect them. Check the harness connection of the heater of the fuser unit and reconnect it. Check the harness connection of the eject sensor PCB and reconnect it. Check the harness connection of the low-voltage power supply PCB and reconnect it. Replace the eject sensor PCB ASSY. Replace the fuser unit. Replace the low-voltage power supply PCB ASSY. Replace the main PCB ASSY.
Code: 050B
Display: Print Unable 05 Turn the power off and then back on again.
Description: When the temperature of the center thermistor of the fuser unit is lower than the idle temperature, the side thermistor of the fuser unit detected a temperature higher than the specified value.
Causes: 1 Connection failure of the center or side thermistor harness of the fuser unit 2 Connection failure of the heater harness of the fuser unit 3 Harness connection failure of the eject sensor PCB 4 Harness connection failure of the low-voltage power supply PCB 5 Eject sensor PCB failure 6 Fuser unit failure 7 Low-voltage power supply PCB failure 8 Main PCB failure
Remedy: Check the harness connection of the center or side thermistor of the fuser unit and reconnect them. Check the harness connection of the heater of the fuser unit and reconnect it. Check the harness connection of the eject sensor PCB and reconnect it. Check the harness connection of the low-voltage power supply PCB and reconnect it. Replace the eject sensor PCB ASSY. Replace the fuser unit. Replace the low-voltage power supply PCB ASSY. Replace the main PCB ASSY.
Code: 050C
Display: Print Unable 05 Turn the power off and then back on again.
Description: When the temperature of the center thermistor of the fuser unit is higher than the idle temperature, the side thermistor of the fuser unit detected a temperature lower than the specified value.
Causes: 1 Connection failure of the center or side thermistor harness of the fuser unit 2 Connection failure of the heater harness of the fuser unit 3 Harness connection failure of the eject sensor PCB 4 Harness connection failure of the low-voltage power supply PCB 5 Eject sensor PCB failure 6 Fuser unit failure 7 Low-voltage power supply PCB failure 8 Main PCB failure
Remedy: Check the harness connection of the center or side thermistor of the fuser unit and reconnect them. Check the harness connection of the heater of the fuser unit and reconnect it. Check the harness connection of the eject sensor PCB and reconnect it. Check the harness connection of the low-voltage power supply PCB and reconnect it. Replace the eject sensor PCB ASSY. Replace the fuser unit. Replace the low-voltage power supply PCB ASSY. Replace the main PCB ASSY.