It is true that it has many varieties and uses different techniques and materials (paint, paper).The main division is cold printing, where the paint is fixed by soaking into paper.
While the 'hot' offset where the printed paper web passes through the drying tunnel. The classic offset (water) is associated with the use of water rollers and hydrophilic and hydrophobic surfaces, however, this method is already abandoned due to the difficulty in obtaining a good balance of water and oil paint. The successor of this method is anhydrous offset printing where silicone molds are used instead of water.
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.