The Main Thermistor is an important fuser component used in Canon imageRUNNER IR5000 and IR6000 series machines. It senses the fuser roller temperature and helps maintain proper heating control for smooth printing.
If your copier shows fuser heating error, temperature fluctuation, or poor print output due to heat issues, replacing the main thermistor is a highly recommended solution.
✅ Accurate temperature sensing
✅ Helps prevent overheating or low heating
✅ Improves fuser stability and print quality
✅ Durable, long-life spare part
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