Canon imageFORMULA RS40 User Manual page 16

Front View (With the Eject Tray Pulled Out)
A Feed Extension Support
Open this when placing long paper in the scanner.
B Feed Support
Pull this out to support loaded documents.
C Operating Panel
A range of scanning operations can be performed with this, such
as starting and stopping scans, executing registered jobs, and
cancelling double feed detection.
D Front Unit
Open this when cleaning the inside of the scanner or replacing
rollers.
(See p. 17)
E Document Eject Tray
Pull this out to scan documents. Scanned documents are output
here.
When scanning multiple documents of varying sizes at one time,
pulling out and lifting up this tray locks the angle of the tray, so the
documents ejected onto the tray are aligned.
F Document Eject Stopper
This prevents the document coming out of the document eject tray
and aligns the leading edges of the ejected document. It can be
moved to any position on the document eject tray to match the
length of the document.
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