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:
2.If you need to create a scan size that is not in the Target Size list, you can create a custom size. Click the arrow in the list and select Customize. You see the Target Size window:
Type a name for your custom size, enter the size, click the Save button, then click OK. Your new size appears in the Target Size list.
96Scanning Using the Document Table