Canon S830D User Manual page 192

Printing Area
To ensure the best print quality, the printer allows a margin along each edge of
media.
Printing area (dark blue): Canon recommends that you print within this area.
Printable area (light blue): The area where it is possible to print. However, printing
( )
in this area can adversely affect the print quality or the
paper feed precision. (
A4, B5, A5, 4" x 6"
Letter, Legal
Envelopes
Banner Paper
Specifications
)
192