Canon PowerShot A430 Advanced User's Manual page 223

In the print order screen, select [Style] and press
1
the SET button.
2
3
4
Print Area Frame
If you select an image which has had the shooting date
embedded in it using a camera with the Postcard Print mode,
[Date] in the [Style] menu will be set to [Off]. If you set [Date] to
[On], dates will appear twice on the printed image.
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Select [Image], [Borders], or
[Date].
Select settings as needed.
Press the MENU button to
end the setting selection
process.
With borderless or multiple prints,
the top, bottom and sides of the
image may be cropped slightly. If
you have not specified a trimming
setting, a frame will appear around
the area of the image that will be
printed, allowing you to check the
portion that will be cropped.