Epson Expression 800 User Manual - TWAIN - Page 29

Advanced Scanning, Delete, Image Type setting, Options, Description

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If you're running Windows, you can also create a new image type. Select a predefined type with similar settings from the Image Type Name list, then type a name for your new image type in the box at the top of the list. Change the settings as necessary and click Save. To delete an image type, select it in the Image Type list and click Delete. The table below describes the Image Type settings. Image Type setting Options Pixel Depth 36-bit Color 24-bit Color 12-bit Gray 8-bit Gray Black & White Scanning Mode Draft Best De-screening ON OFF Description For 36-bit color images For 24-bit color images For 12-bits/pixel images in shades of gray For 8-bits/pixel images in shades of gray For 1 bit/pixel black and white images Scans faster and at a lower resolution for drafts Scans at the highest quality Improves quality when scanning photographs and illustrations printed in newspapers and magazines by turning the dots in the halftone screen process into a smoother pattern Turns descreening off Advanced Scanning Page 29

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Advanced Scanning
Page 29
If you’re running Windows, you can also create a new image type. Select
a predefined type with similar settings from the Image Type Name list,
then type a name for your new image type in the box at the top of the list.
Change the settings as necessary and click
Save
.
To delete an image type, select it in the Image Type list and click
Delete
.
The table below describes the Image Type settings.
Image Type setting
Options
Description
Pixel Depth
36-
bit
Color
For 36-bit color images
24-bit Color
For 24-bit color images
12-bit Gray
For 12-bits/pixel images in shades of gray
8-bit Gray
For 8-bits/pixel images in shades of gray
Black & White
For 1 bit/pixel black and white images
Scanning Mode
Draft
Scans faster and at a lower
resolution
for drafts
Best
Scans at the highest quality
De-screening
ON
Improves quality when scanning photographs and
illustrations printed in newspapers and magazines by
turning the dots in the halftone screen process into a
smoother pattern
OFF
Turns descreening off