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What is a fuser assembly?

What is a fuser assembly?


The fuser assembly is also called a fuser unit. It is a heating unit within the Laser printer or copier that fuses the toner onto the paper being printed on. Toner particles are pulled to the paper to create the desired text and images as the paper passes the imaging drum. ... After the paper is passed through the fuser assembly, it is rolled out to the output tray.

A fuser contains the following components: Heat Roller / fuser film sleeve, Pressure Roler, Lamp / Ceramic heater, Thermister, Upper / Lower Cover, Bearing, Fuser Gear, etc. Among them, the fuser film sleeve is the core component of the fuser , and its quality Decide on the number of printers, the quality of the image, and the availability of other special paper. The main function of the fixing film is to evenly distribute the heat generated by heating the ceramic sheet, so that the toner is heated and pressurized and fixed to the paper to form characters or images. Therefore, thermal conductivity is the most important technical parameter index in the production of fixing films. The higher and better the thermal conductivity of the fixing film, the better the quality performance of the fixing film.

A large number of experiments have proved that when the thermal conductivity is lower than K = 1.8, the service life of the fixing film will be greatly reduced. Based on the original fixing film , the life of the fixing film can reach 50,000 to 80,000 under normal use. There are many factors that affect the service life of the fixing film. Under the condition of ensuring normal operation, the performance of the fixing film is left to determine the service life of the film, and the service life of the fixing film will directly depend on the cost of single page printing. At present, the original fuser film sleeve has a service life of 35,000 pages (HP1000 model fixing film) to 80,000 pages (HP5100 model fuser film sleeve). The quality standards of the fuser film sleeve produced by Foshan Ascend are the same as the original fuser film sleeve.

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