1. Handbag printing products are full page, and there are text, lines, patterns. For example: wine boxes, drug trademarks and other printing products, the color sequence of printing is good. First, print words, lines and patterns, and then put the full version on the machine for printing. This can avoid the phenomenon of paper collision, abrasion and dirty back when the paper is thick and the imprint is not dry.
2. The dark color on the front printing, lighter color on the back printing, due to the dark color ink covering power, strong adhesion, on the front first printing, easy to overprint accurate, light color covering power is weak, on the back overprint slightly run rules, not easy to observe, correspondingly, the overprint effect is good.
3. Often in a printed product, there are halftone four-color electronic dot, and continuous tone patterns, words, lines. At this time, the four-color electronic dot should be printed first, which is conducive to accurate overprint, reducing the impact of paper expansion, and then printing continuous tone words, lines, patterns. In the arrangement of printing color sequence, it is more appropriate to recognize the primary and secondary, first difficult and then easy.
4. In summer, the weather changes greatly, and in rainy season, we should control the temperature and humidity of the environment, which will affect the uneven moisture content and wrinkling of the paper; The paper stacks and semi-finished products should be wrapped tightly with plastic before and after printing.济南印刷厂讲解的内容 更多的内容 请咨询公司官网http://www.xinfengyinshua.cn/