During the color plate making process, the angle of the cable should be determined according to the primary and secondary colors of the original. Since the 45° angle has a special sensitivity.
Paper is the main raw material for printing, and its performance determines the quality of printing ink. Only good performance paper can get better print coloring effect. Therefore, correctly understanding the relationship between paper performance and color rendering of printed products, according to the characteristics of printed products and process conditions, rational selection of paper for printing has important practical significance for improving product quality.