Epson ActionScanner II PC User Manual - TWAIN Mac - Page 27

Modifying an Image Type, Setting, Option

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Modifying an Image Type To modify an Image Type setting, choose the Image Type button. You see the following screen: Not all options on this screen are available with all scanners, Image Types, or Pixel Depth settings. The Image Type options are described in the following table. Image Type options Setting Option Pixel Depth Black & White 16 Grays 256 Grays 8 Colors 256 Colors 16 Million Colors Function Uses a data format of 1 bit/pixel to produce black and white images I Uses a data format of 4 bits/pixel to produce 16 shades of gray Uses a data format of 8 bits/pixel to produce 256 shades of gray Uses a 1 bit/pixel per color data format to produce B-color images Uses an 8 bits/pixel per color data format to produce 256-color images Uses an 8 bits/pixel per color data format to produce 16 million color images 3-6 Capturing Images From Within Applications

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Modifying an Image Type
To modify an Image Type setting, choose the Image Type
button. You see the following screen:
Not all options on this screen are available with all scanners,
Image Types, or Pixel Depth settings. The Image Type options
are described in the following table.
Image Type options
Setting
Option
Function
Pixel Depth
Black & White
Uses a data format of 1 bit/pixel to
produce black and white images
I
16 Grays
Uses a data format of 4 bits/pixel to
produce 16 shades of gray
256 Grays
Uses a data format of 8 bits/pixel to
produce 256 shades of gray
8 Colors
Uses a 1 bit/pixel per color data
format to produce B-color images
16 Million Colors
256 Colors
Uses an 8 bits/pixel per color data
format to produce 256-color
images
Uses an 8 bits/pixel per color data
format to produce 16 million color
images
3-6
Capturing Images From Within Applications