User`s guide
ES3640e MFP User’s Guide
Copying > 66
Image Quality tab
No Feature Options Description
1 Sharpness -5 to +5 by 1 Allows you to enhance 
the image's outline, 
letters, lines when 
printing.
2 Background 
Removal
OFF, 1 to 10 by 1 Allows you to block out 
the color background of 
the image (assuming 
document has a color 
background) - such that 
the background color is 
not printed.
3 Contrast Auto, -5 to +5 by 1 Allows you to adjust the 
contrast levels for 
scanning and printing. 
This is not applied 
(disabled) if Auto is set 
to ON.
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