Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor of the fuser unit has not reached the specified temperature within the specified time after it was heated normally to the certain level.
Remedy: <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset. 1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the center or side thermistor harness of the fuser unit. 2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness. 3 Connection failure of the eject sensor PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB ASSY. 8 Main PCB failure Replace the main PCB ASSY.
Code: 0503
Display: Print Unable 05 Turn the power off and then back on again.
Description: The center 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 is reset. 1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the center or side thermistor harness of the fuser unit. 2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness. 3 Connection failure of the eject sensor PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB ASSY. 8 Main PCB failure Replace the main PCB ASSY.
Code: 0504
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 is reset. 1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the center or side thermistor harness of the fuser unit. 2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness. 3 Connection failure of the eject sensor PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB ASSY. 8 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 is reset. 1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the center or side thermistor harness of the fuser unit. 2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness. 3 Connection failure of the eject sensor PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB ASSY. 8 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. Print Unable 05 Turn the power off and then back on again. <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset.
Remedy: <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset. 1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the center or side thermistor harness of the fuser unit. 2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness. 3 Connection failure of the eject sensor PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB ASSY. 8 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 a temperature error through the center thermistor or the side thermistor of the fuser unit.
Remedy: <User Check> • Turn OFF the power switch. After several seconds, turn ON the power again and check that this error is reset. 1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the center or side thermistor harness of the fuser unit. 2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness. 3 Connection failure of the eject sensor PCB flat cable Reconnect the eject sensor PCB flat cable. 4 Connection failure of the LVPS harness Reconnect the LVPS harness. 5 Eject sensor PCB failure Replace the eject sensor PCB ASSY. 6 Fuser unit failure Replace the fuser unit. 7 Low-voltage power supply PCB failure Replace the low-voltage power supply PCB ASSY. 8 Main PCB failure Replace the main PCB ASSY.