From the original to the printed product, it has to go through the production process of color separation, printing down and printing. In order to ensure that each process can achieve accurate overprinting in the fastest way, it can be completed through a series of operations with the help of positioning pins and positioning holes. This system is called printing positioning system. Because the computer is widely used to design and print, which can output the accurate color separations, the positioning system is mainly used in the printing process.
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