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
Clean the scanner glass and the document cover using a dry, soft, clean cloth. If there is dust or stains around the originals on the glass, the copy area may extend to include the dust or stains, resulting in the wrong copying position or small images.