A multifunction device having a user interface that enables the selection of a particular region of a document image after an initial scan of a document that creates a preview (thumbnail) image of the document. Using a display on the multifunction device, a desired region of the image may be selected for to manipulating and final scanning. A selection box is displayed over the preview image to show the user the region that will be scanned. The user can then select an area of the image for further manipulation through the user interface by moving and/or resizing the selection box, zooming in/out, or erasing a region within the selection box.