Remedy: Is the fuser unit installed normally? Does this error recur? After cleaning the connecting connector of the fuser unit, re-install the fuser unit. Turn on the power again. After checking for the sure cable connection, replace the CU/PU board.
Code: 160 ... 163
Display: Service call 160: Error - 163: Error
Description: Toner sensor detection error. (160=Y, 161=M, 162=C, 163=K) This error does not occur with the default settings.
Remedy: Is the toner cartridge installed? Is the lock lever of the toner set? Does this error recur? Install the toner cartridge. Rotate the lock lever of toner to the lock position. Turn on the power again. Replace the toner sensor assembly.
Code: 167
Display: Service call 167: Error
Description: Thermistor Slope Error
Remedy: Is the error message displayed? Does this error recur? Yes Turn on the power again. After leaving a printer for 30 minutes, turn on the power again.
Code: 168
Display: Service call 168: Error Note)
Description: Compensation Thermistor Error
Remedy: Is the error message displayed? Does this error recur? Yes Turn on the power again. After leaving a printer for 30 minutes, turn on the power again.
Code: 170, 171
Display: Service call 170: Error 171: Error Note)
Description: Short-circuit or open-circuit of fuser thermistor is detected.
Remedy: Does this error recur? Yes Turn on the power again. Replace the fuser unit.
Code: 172, 173
Display: Service call 172: Error 173: Error
Description: The fuser thermistor has detected an abnormal temperature (high temperature or low temperature.)
Remedy: Does this error recur? Turn on the power again. Replace the fuser unit. Replace the low voltage power supply unit.