Fujitsu S1100 Operator's Manual page 404

Using the ScanSnap in Various Ways (for Mac OS users)
10.
Press the [Scan/Stop] button on the ScanSnap to finish scanning.
Scanned image is saved.
The scanned image is output at the center of the page in the size specified in the
[Paper size] pop-up menu of the [Carrier Sheet Settings] window.
If [Automatic detection] is specified for [Paper size] in the [Carrier Sheet Settings]
window, an optimal size will be selected automatically from the available standard
sizes (A3, B4 or 11 × 17 in.) from the same pop-up menu.
Note that the size of the image may become smaller than the original document
depending on the document scanned, or part of the image may appear missing.
Example: When an A5 size image is printed in the center of an A4 size document, the
image is output in A5 size.
To output the scanned image in its original size, specify the document size in the
[Paper size] pop-up menu.
Place the document over a blank sheet if the following is observed:
Scanned image is not saved in the same size as the document (when [Automatic
detection] is specified in the [Paper size] pop-up menu of the [Carrier Sheet Settings]
window)
There are shadows around the edges of the scanned image
There are black lines around the scanned image of a uniquely shaped cutting
Blank sheet
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