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10.10. Prepress Support

This section describes features of PDF that support prepress production workflows:

  • The specification of page boundaries governing various aspects of the prepress process, such as cropping, bleed, and trimming (Section 10.10.1, “Page Boundaries”)

  • Facilities for including printer's marks, such as registration targets, gray ramps, color bars, and cut marks to assist in the production process (Section 10.10.2, “Printer's Marks”)

  • Information for generating color separations for pages in a document (Section 10.10.3, “Separation Dictionaries”)

  • Output intents for matching the color characteristics of a document with those of a target output device or production environment in which it will be printed (Section 10.10.4, “Output Intents”)

  • Support for the generation of traps to minimize the visual effects of misregistration between multiple colorants (Section 10.10.5, “Trapping Support”)

  • The Open Prepress Interface (OPI) for creating low-resolution proxies for high-resolution images (Section 10.10.6, “Open Prepress Interface (OPI)”)


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