Display: Print Unable 05 Turn the power off and then back on again.
Description: After the heat unit was heated normally, the center thermistor of the fuser unit detected a temperature lower than the specified value.
Remedy: <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error has reset. 1 Connection failure of the center thermistor harness of the fuser unit Reconnect the center thermistor harness of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the low voltage PCB harness Reconnect the low voltage PCB harness. 4 Fuser unit failure Replace the fuser unit. 5 Low voltage power supply PCB failure Replace the low voltage power supply PCB unit. 6 Main PCB failure 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 the specified time.
Remedy: <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error has reset. 1 Connection failure of the center thermistor harness of the fuser unit Reconnect the center thermistor harness of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the low voltage PCB harness Reconnect the low voltage PCB harness. 4 Fuser unit failure Replace the fuser unit. 5 Low voltage power supply PCB failure Replace the low voltage power supply PCB unit. 6 Main PCB failure 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 the specified time.
Remedy: <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error has reset. 1 Connection failure of the center thermistor harness of the fuser unit Reconnect the center thermistor harness of the fuser unit. 2 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 3 Connection failure of the low voltage PCB harness Reconnect the low voltage PCB harness. 4 Fuser unit failure Replace the fuser unit. 5 Low voltage power supply PCB failure Replace the low voltage power supply PCB unit. 6 Main PCB failure Replace the main PCB ASSY.
Code: 0508
Display: Print Unable 05 Turn the power off and then back on again.
Description: The side thermistor of the fuser unit did not reach to the specified temperature when the heater was ON.
Remedy: <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error has reset. 1 Connection failure of the center thermistor harness of the fuser unit Reconnect the center thermistor harness of the fuser unit. 2 Connection failure of the side thermistor harness Reconnect the side thermistor harness of the fuser unit. 3 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 4 Connection failure of the low voltage PCB harness Reconnect the low voltage PCB harness. 5 Fuser unit failure Replace the fuser unit. 6 Low voltage power supply PCB failure Replace the low voltage power supply PCB unit. 7 Main PCB failure Replace the main PCB ASSY.
Code: 050A
Display: Print Unable 05 Turn the power off and then back on again.
Description: The hardware detected that the center thermistor of the fuser unit indicated a temperature error.
Remedy: <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error has reset. 1 Connection failure of the center thermistor harness of the fuser unit Reconnect the center thermistor harness of the fuser unit. 2 Connection failure of the side thermistor harness Reconnect the side thermistor harness of the fuser unit. 3 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 4 Connection failure of the low voltage PCB harness Reconnect the low voltage PCB harness. 5 Fuser unit failure Replace the fuser unit. 6 Low voltage power supply PCB failure Replace the low voltage power supply PCB unit. 7 Main PCB failure 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.
Remedy: <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error has reset. 1 Connection failure of the center thermistor harness of the fuser unit Reconnect the center thermistor harness of the fuser unit. 2 Connection failure of the side thermistor harness Reconnect the side thermistor harness of the fuser unit. 3 Connection failure of the heater harness of the fuser unit Reconnect the heater harness of the fuser unit. 4 Connection failure of the low voltage PCB harness Reconnect the low voltage PCB harness. 5 Fuser unit failure Replace the fuser unit. 6 Low voltage power supply PCB failure Replace the low voltage power supply PCB unit. 7 Main PCB failure Replace the main PCB ASSY.