Ricoh IS450DE Operator's Manual page 32

USING THE SCANNER
3
Slowly close the document
feeder.
4
Execute the scan operation from
the host computer.
R CAUTION: Take care to avoid strong pressure on or impact to the
scanner's glass while the document feeder is open,
otherwise glass is broken and this may cause injury.
Also keep your fingers away from the scanner's hinges
to avoid pinching your fingers whenever opening or
closing the document feeder.
2-4