How to test the Thermistor of a Laser Printer/Copier Fuser Unit

What is the thermistor of the fuser unit and how to know if it's defective or not.. How to check if the thermistor of a laser printer or copier is working. For any question or suggestion leave a comment. Activate the CC Subtitles in your language - email: [email protected] other links: http://www.emmegiricambi.it/