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Use r’s M anual
4- 57
Ba ckground Processing: The [ Ba ckground Processing]
option allows you to sm ooth background color or rem ove it t o
m ake im age clearer. The opt ion is especially useful for
docum ents wit h color form s such as invoices.
Choices: None ( defa ult) , Sm ooth, Rem ova l
- N one - no background processing will be perform ed
( default )
- Sm oot h - produces im ages wit h a m ore uniform
background color. This opt ion im proves im age qualit y.
- Re m oval - identifies the background color and then
rem oves it .
Se nsit ivit y: Choice: 0 , 1 , 2 , 3 , 4 . Default : 0
- The higher t he value, t he m ore background color will be
kept .
Mode: Aut o, M oiré
I f [ Sm ooth] is select ed in t he [ Back ground Pr oce ssin g]
option, t hen the choices for the [ Mode] opt ion includes Aut o,
and Moiré.
- Aut o - uses the fact ory preprogram m ed m ode to proceed
background sm oothing.
- M oiré – Rem ove t he m oiré patt erns t hat appear on the
background of the im age when scanning print ed m at erial.
I f [ Rem ova l] is select ed in t he [ Back ground Pr oce ssin g]
option, t hen the [ Mode] opt ion will be replaced wit h [ Fill
Color] . Choices: Whit e, Auto.
- W hit e - ident ifies the background color and subst it ut es it
wit h whit e.
- Aut o - ident ifies the background color and subst itut es it
wit h t he color of the largest background zone.
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