Epson GT-30000 - Manual (Page 102)

4-18 Using Your Scanner
R4C3820
Rev. C
A5 size USING.FM
4/9/01 Pass 0
L Proof Sign-off:
KOW S.Koide C.Fujiwara
J.Miyakoshi
NOC Lee
8-bit Gray De-screening:
An Image Type setting which produces 8-bit grayscale images
with 256 levels of gray. You can get images with the light part
lighter and the dark part darker, with the moiré pattern removed.
Use this setting to scan printed materials and display or print the
images in grayscale.
Black & White:
An Image Type setting which produces black and white images
without halftoning. Use this setting to scan drawings or line art
illustrations.
Black & White Halftone:
An Image Type setting which produces black and white images
with 4
×
4 dither halftoning patterns. Use this setting to scan
drawings or line art.