Xerox Fiery color server User Manual

Also see for Fiery color server: Brochure & specs Troubleshooting tips

Contents

Xerox Fiery color server User Manual Manual pdf 15 page image

xv Basics of color managementColor conversionBefore you can print a color document, the color data in it must be converted to thegamut of the printer. Whether performed by the Color Server or a host-based CMS,the process of converting color data for a printer is the same: the CMS interprets RGBimage data according to a specified source profile and adjusts both RGB and CMYKdata according to a specified output profile, also called a destination profile by somecolor management systems.The source profile defines the RGB color space of the image’s source—characteristicssuch as the white point, gamma, and type of phosphors used. The output profiledefines the gamut of an output device, such as a printer. The Color Server (or thehost-based CMS) uses a device-independent color space to translate between thesource color space and the color space of the output device.The Color Server allows you to specify default and override settings for the sourcecolor space information and the output profile information (see the Color Guide).When you use these settings, you do not need to use the features of other colormanagement systems. Your Color Server software includes ICC profiles for use withother color management systems, if you choose to use them, although conflicts mayarise when the Color Server CMS is used in conjunction with a host CMS.You can also use color management systems to adjust color data to the gamut of anoutput device other than the one to which you are printing. This process of simulatinganother output device is commonly used for proofing jobs that will print on an offsetpress. The Color Server simulation feature is described in the Color Guide.Input data Printed data or fileColor management systemDevice-independentcolor spaceSourceprofileOutputprofile