The relative technical content of overprinting and overprinting in the printing process is relatively high. Nowadays, there are more chromatographic and overprinting products, and there are often some problems in the operation and adjustment of the machine. This article analyzes the reasons and solutions for the overlap of one color with another color during cardboard printing.

Color printing is based on the principle of the three primary colors of the color material to turn color originals into color prints, but it is usually done in four colors: blue, red, yellow, and black. Black was added because it was too difficult to print black and gray (ie neutral gray) with the purity and precise amount of color, so black was added. Color printing in printing refers to four-color printing, namely blue, red, yellow, and black.