Remedy: IIs the thermistor connector inserted into the THERM connector of the main board normally? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN201 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.
Code: 171
Description: Upper Thermistor Circuit Opened
Remedy: IIs the thermistor connector inserted into the THERM connector of the main board normally? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN201 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.
Code: 172
Description: Upper Heater High Temperature
Remedy: IIs the thermistor connector inserted into the THERM connector of the main board normally? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN201 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.
Code: 173
Description: Upper Heater Low Temperature Fuser unit humidity error. Turn off the power and wait a moment. And then, turn on the power.
Remedy: IIs the thermistor connector inserted into the THERM connector of the main board normally? • No Insert the Thermistor connector correctly. • Yes Is the heater connector normally inserted in the CN201 connector of the low-voltage power. • No Insert the heater connector appropriately. • Yes Is the heater ON when turning on the power? • No Replace the fuser unit Assy, low-voltage power or main board. • Yes Replace the fuser unti Assy or the main board.
Code: 182
Description: Tray2 Unit I/F Error Reinstall the second tray unit of the options.
Remedy: Is the Second Tray unit used? • Yes Is the printer main body appropriately set on the Second Tray unit? • No Set the printer main body appropriately. • Yes Replace the main board. • Has the trouble been solved? • No Check the trouble according to the maintenance manual of the Second Tray unit of the appendix C. • Yes Completed. • No Replace the main board.