zhprinterparts

We are one of leading manufacture of  copier & laser printer spare parts  in China,the HP  Maintenance kits  the one of our main products. Most maintenance kits ship the same day as ordered,our packing is same as the original packaging. Our maintenance kits are easily user installable and come with a  fuser assembly ,  fuser film , transfer roller , and pickup roller, feed/separation rollers. The exact content of the HP printer kit and number of rollers provided depends on the HP laserjet printer model. Many kits are available on an exchange basis and include a pre paid return label to further save you money. Many HP Color printer fuser kits are considered consumable items and contain the fuser and any filters or additional parts required. We also carry the full line of HP fuser assemblies and HP toner cartridges both OEM and compatible. We are always available to support your purchase and increase productivity while saving you time and money. 

When you notice the message "perform printer maintenance" on your printer screen, that's the information to inform you to replace the maintenance kit , some parts of your printer is worn and impact the print quality after it was in use for a certain time, maintenance kit is a set of consumable parts for replacement that includes fuser unit, transfer roller, pickup rollers, separation pad and so on. When purchase printer maintenance kit, we need to take some things into consideration. 1. Be sure that the model number of maintenance kit you want to buy is same as the model of your machine, additionally, make sure the kit includes all the parts your printer will need. 2. As all the parts in the maintenance kit mentioned above can not be used forever, that is to said that we would finally have to replace them all in the future, maintenance kits are supplied to save money and time for the users, it will be less cost to buy the set than to buy each single part separa...

In the past 10 years, so many printer users perform replacement of their printer parts to save money and time, so the laser printer parts manufacturers supply collections of necessary parts for users to do DIY maintenance on their printer, so this is reason why we call this set as printer maintenance kit . The parts included in the printer maintenance kit are usually fuser assembly, pickup rollers, separation pads, transfer roller and so on. -        Fuser Assembly: a component to be responsible to fuse and fix toner onto the paper. -        Separation Pad: help the pickup rollers to tug a single sheet of paper and separate it from other. -        Transfer Roller : an electrically charged roller to transfer toner from the drum to the paper. -        Pickup Roller: also named feed roller, are used to pick up the paper from the paper tray and feed it to th...

Printer fuser assembly, as known as fuser kit or fuser unit, it's the component that works with heat and pressure to melt and fix the toner particle onto the paper, such type of part need to repair or replace when your printer has printed out certain amount of pages. In addition to the fuser unit , there are other interchangeable parts that need to replace and are available on the market, such as pickup roller, separation roller, separation pad and transfer roller. Many manufacturers pack a whole set of these parts and sell them together, we usually call them as maintenance kit. Nowadays, maintenance kit is very popular solution for the printer users to maintain their printers, but there are many products by different producers on the market, so sometimes we need to pay particular attention to the quality you get from them, though good quality kit is a little more expensive, but durable and long run can low down your page cost.

Firstly just first show you where is the transfer roller in your HP 4250/4345/4350... , make sure if the power is off and unplug the power cord, lift up the top cover to remove the toner cartridge and than you can see the transfer roller, hung over under the cartridge. at the left side of the roller, use the blue spring hook in your maintenance kit to catch the metal edge near the blue gear and pop the left end out, after lift up the left side of the transfer roller, slide out its right end from the white circle that hold the right end, and than you can take it out of the cabin. After take out the worn transfer roller, get a new one ready, put the right side without blue gear into the white circle, and than left hand side (with a blue hear) has a black stand, position it face down to place into the left side of the base, and than press it down gently until you can hear a snap, so the transfer roller replacing is done, after that, reinstall the toner cartridge back and turn the ...

Speaking of laser printer parts, there as a pair of fuser roller to work through a combination of heat and pressure to bond the toner powder on the paper, the upper roller, sometimes called upper fuser roller, is covered around by fuser film sleeve which has excellent performance at thermal conduction and wear resistance, the function of fuser film is to transfer heat quickly from the upper fuser roller to the toner and melt it onto the paper sheet, and after bonding the toner, it also can release the heat quickly from the paper. For the original HP design fuser unit, it comes with plastic fuser film sleeve around the upper roller, the problem with the plastic film is that it’s not very durable material and tear within 30,000-50,000 pages of paper. So in these years, we’ve developed maintenance kit with new technologies, which the film surface comes with metallic coated and some material with electromagnetic induction, such type of item can excellent solution to last your ...