Pre-press → refers to the pre-printing work, generally refers to photography, design, production, typesetting, output film proofing, etc. In-press → the process of producing a finished product through a printing press. After press → refers to the post printing work, generally refers to the post processing of printed matter including glue (film), UV, oil, beer, stamping, stamping, convex, mounting, binding, cutting, etc., mostly used for publicity and packaging printing.
Printing is a kind of copy of the original graphic information technology, its biggest feature is that to the graphic information on the original a large number, economic and now all kinds of seals, can say, and the finished product can also be widely spread and permanent preservation, this is the film, television, photography and other replication technology cannot be compared.
The production of printed matter, generally want to go through the selection or design of the original manuscript, the original production, printing printing, printing, post-printing processing and other five technological processes. That is to say, the first choice or design suitable for printing manuscript, and then the original information, make the original for sun plate or engraving plate (generally called Yang map or Yin map plate), then use the original for printing plate, finally the plate installed on the press, using the ink system to ink on the plate surface, by pressure mechanical pressure, ink from plate to the seal, the copy of a large number of printing, after printing processing, became to adapt to the use of various kinds of finished products. Nowadays, people often collectively refer to the original manuscript design, graphic information processing, and plate making as the pre-press processing, while the process of the transfer of the ink on the printed plate to the seal object is called printing. The completion of such a printed matter needs to go through the pre-print processing, printing, post-press processing and other processes.
