2. Product Specifications and Description5) ThermostatThermostats cut off the power supply to the halogen lamp by opening the circuit when the fusing belt becomesabnormally hot as a result of problems such as NC sensor malfunction. These thermostats are used to prevent abnormaloperation. When the thermostat is triggered, it must be replaced (as well as the other damaged parts in the fuser unit).2.6.2. Fuser Unit driveThe fuser motor[A] drives the pressure roller[B] through the gear train. The fusing belt[C] pressurized by the pressureroller[B] is rotated by driving it.2-46 Copyright© 1995-2013 SAMSUNG. All rights reserved.