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As you know, printer oftentimes need to do maintenance on it with time and use, that is to say, we need to have spare parts for replacement on your printer. On the market, compatible maintenance kits are available to meet users’ requirements, that include a fuser assembly, a transfer roller and some pickup rollers and separation pads, in addition, fuser film sleeve and fuser rollers inside the fuser assembly are wearing parts, so sometimes you only need to replace these little things rather than fuser assembly . All these key parts can be supplied by compatible manufacturers, nowadays, compatible parts are getting more and more quality and lower costs, so many printer users are in preference to compatible parts instead of original parts, maintaining and replacing parts properly are taken into consideration can low down much money for your office supplies every year.

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...

When replacing fuser assembly for your HP LaserJet P2055 printer, you can actually get this done by yourself to save your money, but it requires some time and tools, and it would be better to do it at a good work place with good light. There's a lot of processes for this work, so today I'm going to show you how to disassemble the fuser assembly. Sometimes you still have some print quality issues though you replaced the toner, such as that the paper comes out with loosen  toner or some flaws, that's part of the fuser assembly or the sleeve, so we need to know how solve the problem with the fusing unit, before we replace a new one, just need to remove the old one, but it's definitely not too easy to do it by yourself. Let's get started with a philips and a flat blade screwdriver, and a pair of nipper pliers also, turn off the power button, open the font cover plate to remove the toner cartridge inside, use the flat plate screwdriver to remove the co...

There are so many laser printer parts inside your printer, the toner cartridge has two main components, one is the drum and the another is hopper. The drum begins to turn around when the printer starts to run, its surface charges with negative electricity from a charge roller. The drum has a   layer of sensitive coating on the surface, it gets hit by laser beam and as it turns. As the laser radiates the drum line by line for million times per second, it releases the electricity to create more non-electricity spaces, until they finally form an same image as the document right on the drum, just outside the hopper, there's a roller that gets covered with toner particles as the drum turns past this roller, the toner has no choice since the toner carries a negative electricity to be attracted to the non-electricity spaces on the drum, at the same time, the toner is repulsed by the negative electricity that cover the rest of the drum, so the toner only sticks to the spaces hit by the l...

Fuser grease is made of silicone oil for lubrication, and it also has excellent performance at thermal conductivity to assist fuser film sleeve to conduct the fusing process. Just like other laser printer parts, we need to replace the grease with use and time, proper operation is very important to be careful when installing, otherwise your fuser film sleeve will be damaged and scrapped totally. Hope the following instruction can be of help to you. Step 1. Detach the fuser assembly and remove the used fuser film. Step 2. Use alcohol to clean the surface of heating element. Step 3. Use soft spatula to scoop up grease from the container, total applying amount is around 1 gram. Step 4. Place the spatula at an angle on the surface, and wipe evenly the grease over the surface of heating element with forward and backward movement. Step 5. Put the heating element into the fuser film sleeve, and the end of the film with ground ring should be in good contact with the surface of lo...

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.

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.

When you notice that the paper comes out from your printer with streaking, jamming, double images, black lines and smudges, do you know what's wrong with your printer? you would probably replace the fuser film sleeve or fuser roller that are worn off and damaged after certain amount of printing pages. Some printers comes with intelligent functions that shows you error codes indicating which part fail to work. In addition to reasons mentioned above, there are some other problems you many need to find out with your fuser assembly , such as the broken gears, bad pressure roller, and heating element and thermistor work abnormally may cause these problems, so you need to detach your machine to do the trouble shooting and fix it.

Fuser film sleeve for HP P4015 is also compatible with P4014 and P4515 fuser assembly. When it's time to replace your worn fuser film, there're various manufacturers that we select, the fuser assembly is the pricy unit that fuser film sleeve set in it, so it's very important to pick up the right quality film to fit it, additionally the procedures of replacement is also important, the fuser assembly may be damaged if operate improperly. When we get started to do it, lets firstly take out the fuser assembly from your printer, you can see a metal cover plate at the side, use a phillip screw driver to remove the screws on it, also remove the red wire right next to it, and then you can slide the cover plate to the left and take it off. Use a flat blade screw driver to release the clips of a group of driving gears and take them off from the fuser assembly. And then there are two screws nearby the blue clip at the bottom left, so these also need to be released to remove...

Sometimes you may be able to solve the common problems yourself in your laser printer if you know a little about the structure inside it, such as paper jams due to improper positioning at the transfer roller. Before the printing process at the fuser assembly , the paper has to pass through the transfer roller inside a laser printer that is used for transferring toner from the cartridge drum onto the printing medium. It works with opposing electrical charges to pull the toner particles. Paper jams usually occur at the image transferring process, if the paper get stuck at the transfer roller, just open up the side cover and pull out the paper gently, don't touch roller surface without gloves when hold the ends of the roller, as the sweat and oil of your hand can pollute and damage the surface material.

Fuser assembly is sometimes called  fuser unit or fuser kit which a critical laser printer parts , and it’s for the final process of printing. After the images or texts are transferred from the cartridge drum to the paper, the toner particles are still loose and not fixed on the paper, so fuser assembly is the component to get this done. When the paper pass through the fuser unit, there’s a upper fuser roller installed in this unit, which generate heat up to around 200 degrees and melt the toner particles on the paper fiber and become high quality images. Just like other laser printer parts, printer fuser assembly can not be used forever, so it comes as a removable unit for replacing with use and time.