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.
Previous part we talked about disassemble the fuser unit on the HP LaserJet P2005, this time I'd like to show you how to reassemble this component. As I showed you last time, there're so many screws need to remove before you can access the fuser assembly, and conversely we need to fix them one by one on the machine after replacement, so that will take you some time to do finish. On the side of the fuser assembly , there're some driving gears that we need to pay attention of, some cutouts on it have to be in right position when slide back into its socket. Let's go ahead to reinstall the repaired or new fuser unit, don't forget to fix the screws, we got two on the left side, one at the top left and then there's one down at the bottom, and then put the metal plate on and make sure it can be fit to the left and right sides, fix it with the screws then, okay at this point in time what we can do is plug in all the wires, just don't forget to retrack the wir...
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