Specifics of color prints
The specificity of color printouts lies in the fact that they must be made using the highest quality inks and toners. Otherwise, they will not make a good impression on customers coming to the photocopier and they will just quickly fade. Meanwhile, the use of colored inks often saves important tables or the most important statements appearing in books. Therefore, all people who make color prints want to use multi-colored inks that perfectly reproduce the color of the document to be printed. This is of course very important, but it is equally important to reach for suitable printer paper before making color prints.
Laser printing in Wikipedia
Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics (and moderate-quality photographs) by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image.1 The drum then selectively collects electrically charged powdered ink (toner), and transfers the image to paper, which is then heated in order to permanently fuse the text, imagery, or both. As with digital photocopiers, laser printers employ a xerographic printing process. However, laser printing differs from analog photocopiers in that the image is produced by the direct scanning of the medium across the printer's photoreceptor. This enables laser printing to copy images more quickly than most photocopiers.
Źródło: https://en.wikipedia.org/wiki/Laser_printing
Toner cartridges assembly
Regeneration of printer toner allows you to use them for a longer period of time. Thanks to this, you do not have to pay additional costs to replace them. It should be admitted that people who use toners installed in large printers for the first time may have problems with placing them in the printer in such a way that a large number of good quality prints can be made. That is why there is no shortage of such professionals who work on printer toners. They have the appropriate knowledge and tools that allow them not only to replace the toners, but also to repair the entire printing device, if such an order will receive from the incoming customer. Thanks to this, they can fully develop their business.