Description: Toner sensor detection error (160=Y, 161=M, 162=C, 163=K). This error does not occur with the MFP in the factory shipped configuration.
Remedy: Is the toner cartridge installed? Is the toner slide shutter set? Install the toner cartridge. Turn it to the fixed position. Turn off and on the MFP. Replace the toner sensor assembly.
Code: 167
Display: Inspection is required. 167 : Error
Description: Thermistor slope error
Remedy: Does an error message appear? Does the error occur again? Turn off and on the MFP. Turn off and on the MFP after leaving it for 30 minutes.
Code: 168
Display: Inspection is required. 168 : Error
Description: Compensation thermistor error
Remedy: Does an error message appear? Does the error occur again? Turn off and on the MFP. Turn off and on the MFP after leaving it for 30 minutes.
Code: 170, 171
Display: Inspection is required. 170 : Error 171 : Error
Description: A fuser thermistor short or open circuit was detected.
Remedy: Does the error occur again? Yes Turn off and on the MFP. Replace the fuser unit.
Code: 172, 173
Display: Inspection is required. 172 : Error 173 : Error
Description: A fuser thermistor temperature error (high or low temperature) was detected.
Remedy: Does the error occur again? Turn off and on the MFP. Replace the fuser unit. Replace the lowvoltage power supply, and then replace the CU/PU board when the error occurs again.
Code: 174
Display: Inspection is required. 174 : Error
Description: A backup thermistor shot circuit was detected (high temperature)
Remedy: Does the error occur again? Yes Turn off and on the MFP. Replace the fuser unit.
Code: 175
Display: Inspection is required. 175 : Error
Description: A backup thermistor open circuit was detected (low temperature)
Remedy: Does the error occur again? Yes Turn off and on the MFP. Replace the fuser unit.
Code: 176, 177
Display: Inspection is required. 176 : Error 177 : Error
Description: A backup thermistor temperature error (high or low temperature) was detected.
Remedy: Does the error occur again? Turn off and on the MFP. Replace the fuser unit. Replace the lowvoltage power supply.