Xerox 5252 manual Color management

About color printing

Color management

Since the color on a screen differs from the color produced by the press, it is necessary to have a Color Management System (CMS). The CMS identifies and bridges the gap between the RGB and CMYK color spaces belonging to your monitor, press, and scanner. Mac and Mac OS compatible computers use the Apple ColorSync CMS to implement and handle the profiles of these devices. For Windows - based PCs, refer to your PC Operator Manual for the compatible CMS.

Without a color management system, one image will appear different when reproduced on different devices due to inconsistencies in color gamuts.

A color management system helps you obtain more consistent results by aligning the color gamuts used by different devices.

Halftone dots and screen angles

Halftone screens

105o 90o 75o

45o

0o

To produce continuous tone images on an output device, bitmaps and process color graphics must be broken into a series of dots of various sizes and colors. This creates a halftone screen. Halftone screens combine cyan, magenta, yellow, and black dots at different screen angles to form a four-color image. The structure and patterns by which the colors are combined are the halftone screens. When a certain color is required, the halftone screen determines the dots to color, the color to use, and the degree to which each dot is colored. The figure on the left illustrates a halftone screen.

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