Color printing [color printing] (ciyin). Print several times with different color plates on the same page to achieve the effect of color pictures. The technology of transferring ink to the surface of paper, fabric, leather and other materials through plate making, ink application and pressure, and copying the original content in batches. At present, color printing generally adopts plane printing.
Color printing is an industrial project in which an image or text manuscript is made into a printing plate by direct or indirect methods, ink is coated on the printing plate, and then the ink is transferred to paper or other substrates under pressure, so that it can be copied quickly and in large quantities.
At present, color printing generally adopts lithography, which is sometimes called chemical printing, which means that the printed image is located on the same plane as the printing plate. It is based on the principle of "oil and water are not mixed" to realize printing. This type of printing is to present the image on the surface of stone or metal mechanically or manually, and then chemically treat the surface to make part of the image ink-friendly, while other blank parts are not ink-friendly. When printing, only the part of the image that likes ink is transferred to paper to form an imprint. Photoprinting, photocopying lithographs and offset printing all belong to lithography.
Color printing service is an information service product, which can be customized by calling and called users, and the transmission of graphic content is added during the call. Before the voice call is connected, during the call and after the call is hung up, the system automatically pushes the preset color printed content (text, picture, video, etc.). ) to the other party's mobile phone screen, so that the other party can see the relevant content, so as to achieve the purpose of showing personality, sharing feelings, transmitting business information and so on. This service can be divided into two forms: image color printing based on client and text color printing without client.