The 4 towers or printing units each print one color, typically black get printed first, followed by cyan, magenta, and yellow. At the far end is the intake where individual sheets of paper are automatically fed into the press. The process can be used to print on paper, cardboard, plastic, or other materials, but these have to have a flat surface.īelow is a picture of a 4 color sheetfed printing press. That inked image is subsequently transferred (or offset) from the plate to a rubber blanket and then to the printing surface. When the plate is inked, only this image part holds ink. In offset lithography, a printing plate, which is most often made from aluminum, contains an image of the content that needs to be printed. Why a certain job is better printed using one of these processes mentioned can be read on this page about choosing a printing process. These include flock printing, letterpress, intaglio, pad printing, and thermography. The main industrial printing processes are:Īdditional printing techniques were developed for very specific applications. There is a wide variety of technologies that are used to print magazines, books, newspapers, stationery, posters, packaging, and other print products.
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