Lexmark C3326 Users Guide PDF - Page 137
FAQ about color printing, What is RGB color?, How is color specified in a document to be printed?
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Troubleshoot a problem 137 3 Choose the appropriate color conversion setting. Object type Color conversion tables RGB Image RGB Text RGB Graphics • Vivid-Produces brighter, more saturated colors and may be applied to all incoming color formats. • sRGB Display-Produces an output that approximates the colors displayed on a computer monitor. Black toner usage is optimized for printing photographs. • Display‑True Black-Produces an output that approximates the colors displayed on a computer monitor. This setting uses only black toner to create all levels of neutral gray. • sRGB Vivid-Provides an increased color saturation for the sRGB Display color correction. Black toner usage is optimized for printing business graphics. • Off CMYK Image CMYK Text CMYK Graphics • US CMYK-Applies color correction to approximate the Specifications for Web Offset Publishing (SWOP) color output. • Euro CMYK-Applies color correction to approximate Euroscale color output. • Vivid CMYK-Increases the color saturation of the US CMYK color correction setting. • Off FAQ about color printing What is RGB color? RGB color is a method of describing colors by indicating the amount of red, green, or blue used to produce a certain color. Red, green, and blue light can be added in various amounts to produce a large range of colors observed in nature. Computer screens, scanners, and digital cameras use this method to display colors. What is CMYK color? CMYK color is a method of describing colors by indicating the amount of cyan, magenta, yellow, and black used to reproduce a particular color. Cyan, magenta, yellow, and black inks or toners can be printed in various amounts to produce a large range of colors observed in nature. Printing presses, inkjet printers, and color laser printers create colors in this manner. How is color specified in a document to be printed? Software programs are used to specify and modify the document color using RGB or CMYK color combinations. For more information, see the software program Help topics. How does the printer know what color to print? When printing a document, information describing the type and color of each object is sent to the printer and is passed through color conversion tables. Color is translated into the appropriate amounts of cyan, magenta, yellow, and black toner used to produce the color you want. The object information determines the application of color conversion tables. For example, it is possible to apply one type of color conversion table to text while applying a different color conversion table to photographic images.