Nikon LS-30 Reference Manual page 18

The scanner has feet both on its base and on one side, making
it possible to place the scanner either on its base or on its side.
When installing the scanner, leave enough space free for ease of
operation. There should be at least 5 cm (2 ) of space above
the unit and 10 cm (4 ) behind. Space requirements are illus-
trated below.
When installing the scanner on its base
Setup: Installation
When installing the scanner on its side
Caution: The scanner must be installed with its feet down,
as shown in the illustrations on this page. Do not store or operate
the scanner in any other orientation.
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