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Page 4 - 14 Xerox Document Centre Reference Guide
Lighten/Darken
Lighten/Darken provides controls to adjust the lightness or darkness
of the output.
Use Darken (press the down scroll button) to darken the copy from
light originals such as pencil images.
Lighten can be used to lighten a copy when the lower contrast or the
Background Suppression On adjustments are not adequate. For
example, use Lighten (press the up scroll button) to copy more
details in the dark areas of an original, to suppress the background
from colored paper originals, and to eliminate lines resulting from
paste-ups, or backside show-through.
Background Suppression
Background Suppression is automatically selected when any
Original Type other than Photo is selected. Background
Suppression automatically reduces or eliminates the background
from colored paper originals or from newspaper originals.
Turn Background Suppression off when you encounter the
following conditions:
Using the Darken adjustment does not produce a satisfactory
copy when copying very light originals
The original has a gray or colored border such as a certificate.
The machine will incorrectly assume that the border of the
document is the background level of the entire original and
consequently cause the entire image to appear lighter
To bring out fine detail that was lost due to the dark edge or
gutter when using Bound Originals