Kyocera TASKalfa 420i

Error Code:

Code: C6000
Description: Fuser heater break
Fuser thermistor 1 detected less than 70°C/158°F for 10 s during warm-up and ready in. During warm-up, the temperature at the fuser unit thermistor 1 does not rise by 1°C/1.8°F continuously for 5 s. Fuser thermistor 2 detected less than 40°C/104°F for 10 s during warm-up and ready in. During warm-up, the temperature at the fuser unit thermistor 2 does not rise by 1°C/1.8°F continuously for 5 s.
Causes: Defective fuser heater 1 or 2.
Installation defectiveness on fuser thermistor 1.
Defective fuser thermostat.
Defective PWB.
Remedy: Defective fuser heater 1 or 2. Replace the fuser heater 1 or 2.
Installation defectiveness on fuser thermistor 1. Check the mounting state of the fuser thermistor 1. If any problem is found, repair it.
Defective fuser thermostat. Replace the fuser thermostat.
Defective PWB. Replace the power source PWB or engine PWB and check for correct operation.

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