How To Maintain Upper Fuser Roller?

Upper fuser roller is made of seamless alum alloy tube, its thickness is between 1-3mm, and there is a piece of printer heating element set in such a roller to generate heat, the surface of roller is covered with the fluorine resin film, which is usually called as fuser film sleeve. When the paper pass and is jammed in the fuser assembly, just don't pull t out heavily, as such an action may damage the surface coating of the fuser roller, and the damaged parts will fail to fuse the toner particles on the paper. If the paper comes out with some spots and residual toner, it may be due to that the surface of roller is damaged or scratched. When cleaning the surface, just use some cotton with alcohol to wipe gently off the stain on it, and remember that not to use blade to scrape it.