HP 2840 HP Color LaserJet 2820/2830/2840 All-In-One - Software Technical Refer - Page 66

TWAIN driver user interface, - scanner driver windows 7

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TWAIN driver user interface Software overview for Windows Figure 2-10 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: ■ 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. ■ 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°. 42 Chapter 2 Software overview for Windows ENWW

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TWAIN driver user interface
Figure 2-10
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:
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.
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°.
42
Chapter 2
Software overview for Windows
ENWW
Software overview for
Windows