Canon Powershot G3 Instruction Manual page 40

When you have selected [Print All Images]:
Sets the paper size settings.
Sets the shooting date/time imprint
and color settings.
Sets the auto trim (crops image edges
according to the page proportions) or
borderless print settings.
40 Printing Still Images
Selects the printer.
Click this button to switch between still images
if multiple images are selected.
Sets the number of print copies
of the displayed image.
Rotates images.
Click this to use the trimming function
(crops a portion of the still image).