Solutions
Make sure the original is placed correctly against the alignment marks.
If the edge of the scanned image is missing, move the original slightly away from the edge of the scanner glass.
Placing Originals
Remove any trash or dirt from the scanner glass and document cover. If there is any trash or dirt around the original, the scanning range expands to include it.
Cleaning the Scanner Glass
When placing multiple originals on the scanner glass, make sure there is a gap of at least 20 mm (0.8 in.) between the originals.
Scanning Multiple Photos at the Same Time