LG PC389S Owner's Manual page 24

You can change the settings for the printing method
and Automatic device power off in [Print setting].
y Printing Method: You can set the printing method of
photo.
- Paper Full: Prints without white space. (The edge
of the image may be cut off.)
- Image Full: Prints an image as a whole. (White
space may occur at the edge of the paper.)
y Automatic Device Power Off: Set a time so that
the device turns itself off. (Default is [5 minutes],
Example: 3 minutes, 5 minutes, 10 minutes)
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,
Note
y If you change the time of Automatic Device
Power Off, the maximum number of prints can
be changed due to battery consumption.
y It is recommended to keep the default settings
of the device.