Xerox P8EX Spire CXP8000 Color Server - User Guide - Page 195

Basic Settings 181 PS Overprint In the client authoring tools (for example QuarkXPress®), you can select overprint options. PS Overprint offers the option to use the overprint, which exists in the PostScript file. It also determines whether the DTP application PS Overprint settings are honored in the RIP. The Spire CXP8000 color server settings override PS Overprint commands from DTP applications. For example, if you set the PS Overprint option to Yes in a DTP application, and in the Spire CXP8000 color server set the PS Overprint option to No, the result is no overprinting. The Spire CXP8000 color server can't create PS Overprint that is not pre-defined in the file. If you select the Yes option (default) for a file that has not had overprinting defined in a DTP application, the result is no overprinting. If you choose to keep the PS overprint that was applied in a DTP application, the Spire CXP8000 color server implements the overprinting and background colors are not knocked out. For example, in the case of a