Fuser Unit
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HP Color LaserJet 3500 3700 Fuser Kit 110 Volt OEM


What is a fuser thermistor sensor? Laser printers use the combination of heat and pressure to stick toner particles into paper permanently. And as such the fuser assembly of the laser printer is a vital component devised to melt toner particle and allow it to adhere to paper fibers; resulting in a permanent bond. The fuser therefore must maintain heat temperature that range from between 180 to as much as 210 degrees Fahrenheit. The formulation of toner particles should likewise meet the required melting properties and temperature range to be an effective vehicle for laser printing. If fuser temperature could not be maintained or if the toner formulation does not meet fuser specification, then it will manifest as half-baked toner peeling off over printouts.