Fujitsu fi-4220C2 Operator's Manual page 35

2. Configuration Window of FUJITSU ISIS Scanner Driver
Image Mode
Select a color mode suitable for the purpose from the menu.
Black & White
16-level Grayscale
256-level Grayscale Scans data by 254 shades of gray plus black and
24-bit Color
Image Processing
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.
1.5 How to Use the Scanner Driver
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.
Scans data by 14 shades of gray plus black and white.
This mode uses 4 bits per pixel.
white. This mode uses 8 bits per pixel. This mode is
switable for scanning monochrome photographs.
Scans data as full-colored image using 24 bits per
pixel. This mode is suitable for scanning color photo-
graphs.
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.
fi-4220C2 Image Scanner Operator's Guide
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