Display: Print Unable 05 Turn the power off and then back on again.
Description: The center thermistor of the fuser unit does not reach the specified temperature 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 harness of the center thermistor or side thermistor 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 eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB 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 unit. 8 Main PCB failure Replace the main PCB ASSY.
Code: 0502
Display: Print Unable 05 Turn the power off and then back on again.
Description: After the temperature of the fuser unit rises to a certain level, the temperature of the center thermistor does not reach the specified temperature within the specified period of time in the next step.
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 harness of the center thermistor or side thermistor 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 eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB 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 unit. 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 harness of the center thermistor or side thermistor 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 eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB 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 unit. 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 center thermistor of the fuser unit was normally heated, it 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 harness of the center thermistor or side thermistor 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 eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB 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 unit. 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 a set period of 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 harness of the center thermistor or side thermistor 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 eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB 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 unit. 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 a set period of 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 harness of the center thermistor or side thermistor 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 eject sensor PCB harness Reconnect the eject sensor PCB harness. 4 Connection failure of the low-voltage power supply PCB harness Reconnect the low-voltage power supply PCB 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 unit. 8 Main PCB failure Replace the main PCB ASSY.