Xerox Document Centre 240 Reference Manual page 108

Image Quality
The Image Quality button allows you to set the Image Quality
setting for specific types of originals. You can choose from Normal,
Text, Halftone Photo or Photo.
Original Type controls the contrast and sharpness of the image and
the way the TIFF image is produced.
Background Suppression: enables you to enhance documents that
have colored backgrounds. The Background Suppression feature
automatically deletes a colored or gray background.
Lighten/Darken: provides controls to adjust the lightness or
darkness of the output.
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Normal - This is the standard setting and is appropriate for
the majority of jobs run on the machine. It is designed to
provide high quality copies of originals that contain a
mixture of text, graphics, and pictures.
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Text - Use this option if your original contains only text or
line art. This will result in the sharpest edges for the text and
the line art.
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Halftone Photo- Use this option if your original is from a
magazine or other source that contains high quality
lithographic images or continuous tone photographs with
text and/or graphics. This setting will produce better
pictures, but slightly reduces sharpness of text and line art.
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Photo - This option is specifically designed to copy
continuous tone photographs or printed halftone originals.
Use this option if your original is a photograph or halftone
picture without any text or lines. Any text or lines copied in
this mode will be less sharp than if you select any of the
other Original Types.
Xerox Document Centre Reference Guide