Specifications

Gamma correction is the compression or expansion of the ranges of
dark or light shades in a printed image to provide the best copy of
scanned images. Through manipulation of shading levels, your
printer can be set to improve the print quality of a scanned image
automatically. For detailed information of this procedure, see chapter
5, “Additional Technical Information,” in the
Reference .
The main benefit of gamma correction is that it improves the print
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 correction through PS Executive or through the
Administration/Emulations/PostScript/Gamma Correction menu.
Menu Administration/Emulations/PostScript/Gamma Correction
Choices No—Disables gamma correction
Yes—Enables gamma correction
Default No
Notes Gamma correction is automatically adjusted when printer
resolution is changed.
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 and the PostScript Language Reference
Manual
for more information.)