Fujitsu FI-5530C2 Operator's Manual page 34

Resolution
You can specify the number of pixels (dots) per inch.
Select a preset resolution from the list or type in any value (from 50 to 600, or 1200) in
the box.
(If you enter a number from 601 to 1199, the resolution is automatically set to 300 dpi.)
The higher the resolution, the more memory is required.
Halftone
You can select a halftone pattern. This setting is available when [Black and White] is
selected under [Mode].
Dither Pattern 0 : This setting is suitable for scanning highly-colored photographs.
Dither Pattern 1 : This setting is suitable for scanning highly-colored documents
Dither Pattern 2 : This setting is suitable for scanning lightly-colored photographs.
Dither Pattern 3 : This setting is suitable for scanning lightly-colored documents
Error Diffusion : This function minimizes differences between a target pixel and
Download
Cropping
Select how to crop scanned document images to output.
Fixed
Detect Length : The rear end of a scanned document is detected and scanning is
Automatic
Brightness
You can set the brightness of the entire image. Specify a number from 1 (darkest) to
255 (brightest) as the brightness value. The higher the value, the brighter the image.
The lower the value, the darker the image.
Contrast
You can set the contrast of the scanned image. Specify a number from 1 (low [soft]) to
100 (high [sharp]) to increase brightness for the entire image. Select a higher value to
emphasize the difference in brightness between the light and dark areas of the image.
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containing both text and photographs.
containing both text and photographs.
pixels near the target.
: This function processes gray tone images with the dithered
pattern downloaded.
: Scanned document images are output in a specified size.
performed for the original length. When shorter sheets are included
in a batch of documents to scan, output images are adjusted to their
original size.
: The page size of the scanned documents is automatically detected
and the images are output in the detected page size. The skew of
documents is also automatically detected and corrected to output
correct images.