Plustek Opticpro A320E Flatbed Scanner - Manual (Page 154)

9
Warning
To completely shut down the scanner, press
the power switch on the side of the scanner.
If the scanner will not be used for a long
period of time, shut down the scanner and
then disconnect the power cable from the
power outlet.
Alternatively you may click Default to restore the default settings. You may press
any scanner button to wake up the scanner from power saving.
Scanner Lock” section of this guide for more details.