HP 4550 Service Manual - Page 71
Printer drivers, HP ColorSmart II
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Printer drivers The optimal way to control the printer is through settings in a software application or through the printer driver. Changing print settings via a software application affects only that particular print job. Most software applications allow you to choose print settings from menus within the application. Software application settings and printer driver settings override the settings on the printer control panel. For best print quality, always select the paper or media type in the printer driver. Different media types use different printer settings. For example, selecting transparencies in the driver causes the printer to use a different color table, one designed for maximum print quality on transparencies. Additionally, transparencies cause the printer to adjust printer speed and fuser temperature. Other media types affect the printer settings as well: Selecting heavy or glossy media, for example, causes the printer to change the engine speed. The printer driver also gives you customized control of color text, graphics, and photos. The following color control features are available only through your HP printer driver: Halftone Options HP ColorSmart II Halftone options affect the resolution and clarity of your color output. You can select halftone settings for text, graphics, and photos independently. The two halftone options are Smooth and Details. HP ColorSmart II default settings will produce optimum results for most color printing needs. However, you can also manually adjust color settings through the printer driver's Vivid Color and Screen Match color control options. See the printer driver's online Help for details on color settings and their effect on printed output. C7085-90921 Chapter 3 Installation and configuration 69