5.Click the Preview button.
You see a preview of your scan in the window that opens.
6.Click the 
Auto Locate button to automatically define the scan area around the edges of your image. Or adjust the scan area by positioning the mouse pointer over any of the eight boxes around the marquee’s edge and dragging the box to resize the marquee.
Click the 
Auto
Click to define the scan area automatically.
Adotted marquee frames the area to be scanned.
Exposure button to automatically set the
highlight, midtones, and shadow exposure.
Generally it’s a good idea to use the Auto Exposure button to obtain the best settings for your scan. If you’re not satisfied with the results, see your electronic EPSON Expression 1640XL Online Reference Guide for information about adjusting settings.
If you need to remove color cast from your image, use the
Gray Balance Intensity feature.
7.When you’ve finished making adjustments, click the Scan button.
The READY light on the front of the scanner flashes while it’s scanning. In a few moments, a scanned image is imported into your host application’s window.
(If the READY light continues to blink, it may indicate an error condition. See Chapter 7, “Solving Problems,” for more information.)
8.Click Close to close the EPSON TWAIN Pro window and return to your application.
9.If you want, save your image using the Save or Save As options from the File menu of your host application.
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