About Halftone
Types
5-3
Print Quality
automatically. For detailed information on this process, see chapter 5,
“Additional Technical Information,” in the
Reference
guide.
The main benefit of gamma correction is that it improves the output
quality of a scanned image by improving halftoning at a given resolu-
tion. To get the best gray-scale PostScript image at any resolution,
gamma correction should be turned On. You can set gamma correc-
tion through the PS Executive Series Utilities or through the control
panel.
About Halftone Types
Your printer provides two different types of halftones—basic and
advanced. These two options allow you to customize the smoothness
of the printed image according to the number of grayscales it uses.
Menu
Administration/Emulations/PostScript/Gamma Correction
Choices
No—Disables gamma correction.
Yes—Enables gamma correction.
Default
No
Notes
Gamma correction is automatically adjusted when you change
your printer’s resolution, if this option is set to Yes.
Gamma correction applies only to PostScript images.
If turning on gamma correction doesn’t yield a suitable gray-
scale image for your needs, set a specific gamma correction
value through your drawing application or through the
PostScript settransfer operator. (See your drawing application
documentation or the
PostScript Language Reference Manual
for more information.)
Menu
Administration/Emulations/PostScript/Halftone Type
Choices
Basic—Regular dot placement at 53 lpi for 300x300 resolution
or 71 dpi for 600x600 resolution.
Advanced—Variable dot placement according to the
grayscales within the image. Generally, this option provides
smoother transitions between grayscales within the image.
Содержание 1060E
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Страница 9: ...1 Introduction In This Chapter n About this manual n Typographic conventions...
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Страница 47: ...4 Printer Maintenance In This Chapter n Handling the printer n Cleaning the printer...
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Страница 93: ...A QMS Customer Support In This Chapter n Sources of customer support n QMS world wide offices...
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