Canon Powershot SD40 Digital ELPH User Manual page 26

4.
Use the
and press the camera's or the wireless controller's
button (
The camera's
24
or button to select an image to print (
).
button will blink blue and printing will start.
See the Advanced Guide: Setting the DPOF Print Settings (p. 91).
See the Direct Print User Guide.
See the user guide for your printer.
See Using the Wireless Controller (p. 6).
)