Epson Expression 800 User Manual - TWAIN - Page 16

Scanning from Your Application Software, Image Type, Image Controls, Default settings

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2 For best results, select an Image Type each time you scan. Image types automatically select other TWAIN Pro settings and set the ranges for your Image Controls. Image Type Default settings 36-bit Color Pixel Depth: 36-bit Color; Scanning Mode: Best; (HiFi)* De-screening: Off 24-bit Color Pixel Depth: 24-bit Color; Scanning Mode: Best; (Std) De-screening: Off 24-bit Color Pixel Depth: 8-bit Gray; Scanning Mode: Best; De-screening De-screening: On; Dropout: None 12-bit Gray Pixel Depth: 12-bit Gray; Scanning Mode: Best; (HiFi)* De-screening: Off; Dropout: None 8-bit Gray (Std) Pixel Depth: 8-bit Gray; Scanning Mode: Best; De-screening: Off; Dropout: None Line Art Pixel Depth: Black & White; Scanning Mode: Draft; Dropout: None; B/W Option: None; Halftone: None OCR Pixel Depth: Black & White; Scanning Mode: Best; Dropout: None; B/W Option: Text Enhancement Technology Copy & Fax Pixel Depth: Black & White; Scanning Mode: Draft; Dropout: None; B/W Option: Auto Area Segmentation; Halftone: Model A (Hard tone) * The 36-bit Color (HiFi) and 12-bit Gray (HiFi) settings are available only for certain applications, such as Adobe Photoshop 4.0 or 5.0 (full version). Scanning from Your Application Software Page 16

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Scanning from Your Application Software
Page 16
2
For best results, select an
Image Type
each time you scan. Image
types automatically select other TWAIN Pro settings and set the
ranges for your
Image Controls
.
*
The 36-bit Color (HiFi) and 12-bit Gray (HiFi) settings are available only for
certain applications, such as Adobe Photoshop 4.0 or 5.0 (full version).
Image Type
Default settings
36-bit Color
(HiFi)*
Pixel Depth: 36-bit Color; Scanning Mode: Best;
De-screening: Off
24-bit Color
(Std)
Pixel Depth: 24-bit Color; Scanning Mode: Best;
De-screening: Off
24-bit Color
De-screening
Pixel Depth: 8-bit Gray; Scanning Mode: Best;
De-screening: On; Dropout: None
12-bit Gray
(HiFi)*
Pixel Depth: 12-bit Gray; Scanning Mode: Best;
De-screening: Off; Dropout: None
8-bit Gray
(Std)
Pixel Depth: 8-bit Gray; Scanning Mode: Best;
De-screening: Off; Dropout: None
Line Art
Pixel Depth: Black & White; Scanning Mode: Draft;
Dropout: None; B/W Option: None;
Halftone
: None
OCR
Pixel Depth: Black & White; Scanning Mode: Best;
Dropout: None; B/W Option: Text Enhancement
Technology
Copy & Fax
Pixel Depth: Black & White; Scanning Mode: Draft;
Dropout: None; B/W Option: Auto Area Segmentation;
Halftone: Model A (Hard tone)