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1.5 How to Use the Scanner Driver
fi-4220C2 Image Scanner Operator’s Guide 19
BASIC SCANNER OPERATIONS
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2. Configuration Window of FUJITSU ISIS Scanner Driver
Image Mode
Select a color mode suitable for the purpose from the menu.
Resolution
Specifies the number of pixels (dots) per inch.
Select a fixed resolution from the list or enter any value (from 50 to 600) manually.
A higher resolution produces finer image, but requires much more memory.
Black & White
Scans data in binary (black and white). Distinguishes
black from white according to the fixed threshold.
This scanning mode is suitable for scanning line
drawings and text documents.
16-level Grayscale Scans data by 14 shades of gray plus black and white.
This mode uses 4 bits per pixel.
256-level Grayscale Scans data by 254 shades of gray plus black and
white. This mode uses 8 bits per pixel. This mode is
switable for scanning monochrome photographs.
24-bit Color Scans data as full-colored image using 24 bits per
pixel. This mode is suitable for scanning color photo-
graphs.
Image Processing Binary processing is applied to the scanned images
This mode is available only when Image Processing
Software Option (separately sold) is installed. Please
refer to the "User’s Guide of Image Processing Soft-
ware Option" for details.