Fujitsu ScanSnap S300 Operator's Manual page 160

3. Select the [Correct skewed character strings automatically] checkbox.
4. Click the [OK] button to close the window.
⇒
The setting is enabled from next scanning.
ATTENTION
140
Up to +/-5 degrees of skews can be corrected.
This function determines a document skew based on the characters printed on
the document, so it may not work properly for the following document:
•
Documents on which the pitches of lines or characters are extremely narrow,
or characters are overlapped
•
Documents with many outline characters or using font styles like this
•
Documents with many photographs or figures and only a few characters
•
Documents with a background pattern behind characters
•
Documents on which characters are printed in various directions (e.g.
drawings)
•
Documents with long diagonal lines
•
Documents with handwritten characters
*When you scan such documents, clear the checkbox.