Canon 550D - Manual (Page 185)

185
You can set the print type, date imprinting, and file No. imprinting. The
print settings will be applied to all print-ordered images. (They cannot
be set individually for each image.)
1
Select [Print order].
Under the [3] tab, select [Print
order], then press <0>.
2
Select [Set up].
Select [Set up], then press <0>.
3
Set the option as desired.
Set the [Print type], [Date], and [File
No.].
Select the option to be set, then press
<0>. Select the desired setting,
then press <0>.
W Digital Print Order Format (DPOF)
Setting the Printing Options
[ Print type ] [ Date ] [ File No. ]