User Guide

TWAIN driver user interface
Figure 4-6 TWAIN driver user interface
The TWAIN user interface contains the following options:
●
New Scan. Use this control to rescan the image. Flatbed previews are always at 75 dpi and in
color:
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Accept. Use this control to rescan the image if the original is on a flatbed scanner and then to send
the image back to program with the specified settings.
●
Resize. Use this control to change the selection area for final scan. The final scan is performed
within this selection area.
●
Lighten/Darken. Use this control to lighten or darken the scanned image.
●
Color Adjustment. Use this control to adjust the color on the scanned image.
●
Resolution. Use this option to designate the final resolution for the image. The software
interpolates resolutions that are above 1200 dpi.
●
Mirror. Use this option to flip the scanned image horizontally.
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Invert Colors. Use this control to invert the colors in the scanned image.
●
Descreen. Use this control to apply a special algorithm that detects and removes undesirable
patterns from the scanned image. Choosing this option automatically triggers a rescan because
the descreen operation must take place as the image data is flowing in from the scanner.
●
Rotate. Use this control to rotate the scanned image 90°.
ENWW Scan drivers 195
HP scanning system