Canon 3749B002 On-Screen Manual page 243

Advanced Guide > Printing from a Computer
Printing Photos in Grayscale
Printing Photos in Grayscale
Select the Grayscale Photo checkbox in the Select Paper screen to print photos in grayscale.
Important
Vivid Photo is not available when the Grayscale Photo checkbox is selected.
White streaks may appear at the top and bottom edges of grayscale photos. In that case, print with
a 45 mm (1.77 inch) or more margin at the top and bottom edges.
If you select Bordered (Margin 45) from the layouts in the Layout/Print screen, images will be
reduced when printing to allow a 45 mm (1.77 inch) margin at the top and bottom edges relative to
the printing direction.
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Printing with the Bundled Application Software
> Photo Print Settings >