Solutions
Load paper in the correct direction, and slide the edge guide against the edge of the paper.
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.
Solutions
When placing the originals on the scanner glass, remove any dust or dirt that has stuck to the originals, and clean the scanner glass. If there is dust or stains on the glass, the copy area may extend to include the dust or stains, resulting in the wrong copying position or small images.