Konica Minolta bizhub PRESS 1250 IC-309m User Guide - Page 191

183 known, the system can automatically determine the correct output value. For example, the system can find the required dot size for a given set of printing conditions based on the stored gray level. Color setups can be saved in color tables (color transformation tables), which is one of the many kinds of LUTs. PDF/X Abbreviation for Portable Document Format eXchange. An exchange format for sending pages between a page preparation site and a printing site. PDF/X is a subset of the full PDF specification. PPD (PostScript Printer Description) A file specification set by Adobe Systems, Inc. It contains outputdevice-specific information, including fonts, line screens, offset margins, supported page sizes, and so on. pre-separated file A PDF, PostScript, or TIFF file that contains a separate page for each color in a document. A standard process color job would have four pages-one for each process color. A job with spot colors would have a page for each spot color and a page for each process color. printer description file A PPD file or PDF file that Apple Macintosh software uses to prepare pages and documents for specific output devices. process An action initiated on a file-for example, refining a PostScript file, copying a file from one folder to another, or outputting a TIFF file to plate. process colors The four ink colors that are used to reproduce full-color images: cyan, magenta, yellow, and black (CMYK). Combinations of CMYK are used to reproduce many colors of the spectrum.