Question
How can I test the fuser thermistor to see if it's causing the HP 5820 E2 error?
Asked by: USER5142
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80 Answers
Answer (80)
Using a multimeter set to measure resistance, disconnect the thermistor connector. Check the resistance value against the specifications in the HP 5820 service manual. An open circuit or a reading significantly outside the specified range indicates a faulty thermistor.