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Inside the printer fuser assembly, there are two pieces of rollers, upper fuser roller or fuser roller, and lower fuser roller or pressure roller, the upper fuser roller is a high quality aluminium tube coated with teflon, with a heating element inside, sometimes, we can use a fuser film sleeve to instead of the upper fuser roller. The lower pressure roller is a soft rubber roller. The best way to clean a fuser roller is to use isopropyl alcohol if you haven't a specific cleaning fluid, just don't use rubbing alcohol, it may contain ingredients that can leave a residue on the fuser surface, you can also use a very light coat of silicon oil and a non linty rag. When the rollers are clean, dry them with another cloth. You can fully disassemble the roller before clean it, but it could be done with minimal removal just so the roller could be turned . The surface of the fuser roller is made of a teflon film that is easily damaged, so use only light pressure when cleaning, and...

You can feel hot after the paper is printed out from your laser printer, as before that, the paper pass through the fuser assembly , there is a pair of fuser rollers within the fuser assembly to apply heat and pressure to fuse the toner particles onto the paper fiber. The toner is transferred from the drum to the paper and form text and images, but that is not the last printing process, as the toner particles are still loose and easy to take off from the paper, so that need to pass through be fuser rollers to melt the powder and fix it on the paper, the upper roller sometimes we call upper fuser roller has a piece of heating element to generate heat, and there is a lower pressure roller below to press and make it more tight.

Fuser unit is the component in a laser printer, copier or laser fax machine, after the image and text is transferred onto the paper, if without fuser unit , the toner particle can not melt and bond on the paper. To do this important process, you can find out there are two steps to make this done, heat and pressure. There are two rollers set in the fuser unit, one is upper fuser roller which is to generate heat to melt the toner, another one is located downside to press and assisit fusing, so it's call lower pressure roller . When the paper with loose toner powder pass through between these two roller, there's a heat element inside the upper fuser roller release heat that transferred via fuser film sleeve to the toner, and the lower roller conduct a pressure to make the fusing much more firm.

On the cost for laser printing, in addition to the paper, laser printer parts and supplies are also the main consumption you need to consider of, such as toner cartridge, drum, fuser assembly, transfer roller etc. all these parts can not last forever as they must wear with use and time. When it's time for replacement, you need to pay much money for original parts and supplies, but just don't worry about that because we have other solutions, the compatible laser printer parts and remanufactured consumable supplies are the best options to go. We sometimes don't need to replace the whole piece of fuser assembly, there are single pieces in this unit and we can change them individually, such as upper fuser roller , lower pressure roller , fuser film sleeve, heating element, driving gear and so on. The ways mentioned above can save your money up to 50-70%, but we have to take the quality in to consideration, as there are a variety of suppliers on the market, inferior qu...

Fuser assembly has a piece of upper fuser roller over the top side for generating heat, and a piece lower pressure roller to assist the upper roller to perform the final printing process which is to fuse and bond the toner onto the fiber of paper, that is to say, to fix the texts and graphics on the paper. In addition to the pair of rollers mentioned above, fuser assembly also has other parts in it to complete the fusing process, such as fuser film , heating element, fuser thermistor and driving gears, so you sometimes only need to purchase the single part and replace it to fix the problem.