Canon mp280 series On-Screen Manual page 337

that cannot be placed away from the edges/
arrow (alignment mark) of the Platen may be
saved as PDF files. To save in a format other
than PDF, scan by specifying the file format.
Placing Multiple Documents
Allow 0.39 inches (1 cm) or more space between
the edges (diagonally striped area) of the Platen
and documents, and between documents.
Portions placed on the diagonally striped area
cannot be scanned.
more than 0.39 inches (1 cm)
Note
You can place up to 12 documents.
Positions of slanted documents (10 degrees
or less) are corrected automatically.
scanned.
0.039 inches (1 mm)
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