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User’s M anual
4- 13
Fix e d Proce ssin g: Used for black-and-
white and other high cont rast docum ent s. A
single level is set t o determ ine t he black-
and-white transition. The t hreshold is
program m able over the entire densit y
range. Fixed Processing sets Cont rast t o
0. I f Fixed Pr ocessing is select ed,
Contrast is not available.
Halfton e: I n addit ion t o t he black and
white display, Halftone can present a
som ehow gray shade of im age by using
different size of dots. Halft one im age looks
like the pict ure we have seen in t he
newspaper. Opt ions include H alft one 1 ,
Halfton e 2 , H alftone 3 , H a lft on e 4 ,
Halfton e 5 .
Er ror Diffusion: Error Diffusion is a type
of Halft one. Error Diffusion gives good
im age t exture and m akes t ext in im ages
m ore readable than Halftone.
Halfton e I m a ge
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