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A-61510 January 2005 3-21
For color/grayscale scanning the following compressions are available:
• JPEG
• None
JPEG Quality JPEG compression offers a JPEG quality of Draft,
Good, Better, Best, Superior.
Draft gives you the smallest file size with draft image quality; Good
gives you a larger file size with good image quality, Better gives a larger
file size with better image quality and Best gives you a larger file size
with the best image quality. Superior gives you largest files size with
superior image quality.
K factor used in conjunction with bi-tonal compression. The K factor
is only accessible when you are using CCITT Group 3 two-dimensional
compression. Valid values are 0 to 255.
Color Sharpening select the desired setting either None or 3x3 FIR
filter. This filter increases the edge contrast of the image without
affecting the color component. Use this option when a high contrast
result is desired. For example, if you scan text documents in color.
Force Scanner Compression this option is only available for
color/grayscale scanning when Compression is None
• Compression (Source Will Decompress) options are JPEG
and None.
If you select JPEG, the images from the scanner are compressed. The
TWAIN driver will decompress and return uncompressed images to the
host.
If you select None, the images from the scanner are uncompressed.
The TWAIN driver will pass these images direct these images directly to
the host.