To do this, click at the edge of the picture and drag until you have selected the entire image. Adjust the Type so that it corresponds with what you are scanning. Millions of Colors for color images. 256 Shades of Gray for black and white or grayscale images. Line art for Bitmapped images.
Resolution is the key to the detailed quality of the image scanned.
Depending on what your final output of the image is, you should adjust your resolution accordingly. 150 dpi for any images used only for the web. 300 dpi for any images that are intended for print. 600 dpi for images that will be enlarged and printed on high quality printer. Once you have set all your options, click on the Scan button to begin the scanning process.