For instructions on previewing your image, see "Previewing and Adjusting the Scan Area" on page 52. Then follow these steps to select the Target Size setting:
1.You can choose a predefined scan size from the Target Size list. Click the arrow in the list and select the size you want. A marquee (dotted line) proportioned for that size appears on your preview image:
62Scanning Using the Automatic Document Feeder