Canon PIXMA MP470 Series Quick Start Manual page 14

Note
The machine cannot scan the shaded area in the figure below.
(A)
(A) 0.04 inches / 1 mm
For details about making copies, see "Copying" on page 20.
For details about scanning images, see "Scanning Using the Operation Panel of the
Machine" in "Scanning Images" on page 31.
To scan photographs
Place the photograph at least 0.4 inches / 10 mm away from and in square with the edges of
the Platen Glass.
(A)
(A) 0.4 inches / 10 mm
10 Before Using the Machine
(A)
Platen Glass