Fujitsu fi-4220C Operator's Manual page 64

2.
Fan the document
When loading a multiple-sheet document, fan the document
as follows.
1) Take out a stack of document sheets with thickness of
5mm or less.
2) Lightly grip both ends of the document with both hands, and
bend the document as follows.
3) Firmly holding the document with both hands, bend back the
document as follows so that the bent section rises up in the
middle of the document as follows.
4) Repeat steps 1) to 3) a few times.
5) Rotate the document 90 degrees, and fan again.
3.2 Loading Documents on the ADF for Scanning
5mm
3
35