Epson Expression 1680 Setup Manual page 23

Allow space behind the scanner for the cables, and space
above the scanner so that you can fully raise the document
cover.
2
550 mm
150 mm or more
133 mm*
562 mm
332 mm
* When document cover is closed.
Keep the scanner away from high temperatures, humidity
and excessive dirt or dust. Also avoid using or storing the
scanner in places subject to rapid changes of temperature and
humidity.
Keep the scanner away from direct sunlight and strong light
sources.
Avoid places subject to shocks and vibrations.
2-3
Setting Up the Scanner