Canon EOS R10 User Manual page 700

[ ] Setting printing effects (image optimization)
Select [ ].
Select printing effects.
Caution
ISO speeds may be misidentified in shooting information printed for images shot at
an expanded ISO speed (H).
[Default] in printing effects and other options refers to default settings determined
by the printer manufacturer. For [Default] details, refer to the printer instruction
manual.
[ ] Setting the number of copies
Select [ ].
Select the number of copies to print.
700