Purchase laser Printer Toner Cartridge , We should pay attention to identify the authenticity of original cartridges, such as the purchase of fake goods will reduce the printer's service life, greatly enhance the printing costs. Market in counterfeit cartridges are basically two types: criminal business or workshop on their own mold, processing and production of toner cartridges, original toner cartridges for sale posing; the other is the old cartridges, toner unscrupulous businessmen make their own infusion posing a new original cartridge sales. We must not be cheap, the best shop to buy regular supplies. In addition In addition, few appreciate the author has, we want to help. 1. Look at packaging. Original print cartridge packaging beautiful, bright color, the serial number on the back of the use of special technical printing, and background color offset printing paste containing rectangle. Counterfeit cartridges in packaging printing rough, image blur, the color gray. S uch as HP's original cartridges, the outer box with laser anti-counterfeit labels affixed, as observed from different perspectives, its color will change between black and blue. 2. See link. JS in the use of the old toner powder filling their own posing new cartridge sales, it will surely be in the cartridge joints "action." If the connection is part of the "red" at the scene or screws made blue layer (that is, heat treatment of the black layer) is damaged, it is likely that recovery product. 3. Look at the surface. Self-filling powder cartridge Guxin rough surface, there are obvious scratches (scratches in the amount and frequency proportional to the use of cartridges), and gear are obvious marks, drum roll surface small black stripe. Original new drums can not have any scratches, and that a high degree of surface smooth, smooth gear Department also no stains. 4. See print proofs. Print cartridge with the original proofs, image and text not only delicate, clear, and the dru ms especially good powder adhesion. The use of a false self-filled cartridge or toner cartridge to print, the print quality proofs to be worse: Some low-quality toner printed on paper, the finger print of the writing can actually wipe; some dark powder coarser grain size, resulting from the local scratch Guxin not sensitive, always in the blank form on paper, and some will appear by the stroke break phenomenon. 5. See Toner Quality. Although the laser printer laser printer print quality depends on the resolution, but the size of toner particles have a direct relationship. In 1200dpi printing precision, if the toner particles larger than 1 / 1200 inch, not only can not achieve 1200dpi print accuracy, and in fusing, the melting of the toner particles was uneven overlap to a large extent will affect the print quality . Ordinary users can not determine from the cartridge exterior, and to judge the quality toner more direct way is: use the cartridge with a laser printer to print black copyedit, targeting bright Department to see the distribution of black paper is uniform.
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