Xerox WorkCentre 470cx-9904 - Manual (Page 190)

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6-20
Descreen
This selection is used to eliminate moire patterns from the output
image. Moire patterns are objectionable patterns resulting from the
superimposition of different patterns of curves. Moire occurs as a
result of differences in the screen pattern used to print the
document and the scanner electronics. Moire may appear as
checkered patterns bands or dots. Descreen preprocessing can
minimize the transfer of moire patterns into your image file.
Besides a default setting of No Descreen, the Descreen selector
provides three grades of descreen preprocessing as described
below.
No Descreen
No descreening.
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