Offset Printing Process. Offset lithography—one of the most common way to printink on paper—uses printing plates to transfer an image to paper or other substrates. The platesare usually made of a thin sheet of metal, but in some instances, plates may be plastic, rubber or paper.
Manufacturing Printing Plates. After Imposition, each parent-sheet-sized art file is split out into 4 separate files, one for each color of ink: Cyan, Magenta, Yellow, and Black (CMYK). From there, each separated file is laser-engraved onto its own printing plate to be installed into the printing press. These thin metal plates are …
Offset printing is a commonly used printing technique in which the inked image is transferred (or “offset”) from a plate to a rubber blanket, then to the printing surface.
Types. Types of printing plates vary according to the press used, but can be classified by direct or indirect ink transfer. Direct plates transfer ink directly to the item to be printed. Indirect platestransfer ink to a “pad” or “blanket” carrier, which is then pressed against the item.