HP 2425 - Manual (Page 78)

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Density, gamma correction, and print resolution are some of the fac-
tors that affect print quality. High-resolution technology, while more
complex, gives you more flexibility to control the print quality factors.
This chapter will aid you in setting your printer up for maximum perfor-
mance. For a more detailed explanation of factors that affect your
printer’s output, refer to chapter 5, “Additional Technical Information,”
in your
Reference guide.
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The ability of the printer to produce halftones allows you to add
scanned images or halftone graphics to your documents.
Your printer provides three different types of halftones—basic,
advanced, and standard.
These options allow you to customize the smoothness of the printed
image according to the number of grayscales it uses. The number of
gray levels increase by increasing the halftone type and the printer
resolution.
Menu Administration/Emulations/PostScript/Halftone Type
Choices Basic—See the following table for details on screen
frequency, screen angles, and gray levels.
Standard—See the following table for details on screen
frequency, screen angles, and gray levels.
Advanced—See the following table for details on screen
frequency, screen angles, and gray levels.
Default Standard