Sharp AM-900 - Manual (Page 115)

Scanning From a TWAIN Application
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7. Scanning
x If you are using the auto document feeder, select Use Automatic
Document Feeder.
x If you wish to use the standard preset scanning settings, click Photo or
Document as appropriate for the original in the Standard Preset field.
x The Advanced Controls can be adjusted as needed. Note that the
Contrast and Brightness settings only appear when Color Type is set to
Color or Grayscale.
x If you wish to specify the area that is scanned, drag the frame that appears
in the preview screen with your mouse. The dimensions of the area will
appear in Width and Height.
x To view a preview of the scanned image using the selected settings, click
the Preview button.