This is because such sets include not only the printers themselves, but also photocopying paper and additional printing accessories that can be used in everyday work while making prints.Such original printing devices can successfully reach companies and offices as well as universities.
They are also bought by those private individuals who know well that they will have to make a large number of different types of printouts that are not only used at home.The devices ordered by them can be connected by specialists.
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.
In principle, everything that comes out of the printing house can be included in the category of printing. There are plants specializing in the production of only a specific group of printed materials: eg leaflets, or only large-format printing.However, this results from a simple thing: for every type of printing you need to have the right machine, and these take up space and cost a lot.
That is why printing plants limit the amount of services provided. .