Fujitsu N7100 Operator's Manual page 288

HINT
When PDF format is selected, select whether or not to use [High Compression for Color PDF]
mode. When [High Compression for Color PDF] is selected, characters and backgrounds are
separated and only backgrounds are compressed. Therefore, the file size of a character
based document can be reduced without the quality of the characters being decreased.
However, note the following:
 Photographs or pictures are recognized as background and compressed at a high rate,
causing degradation in the scanned image.
 Thus, this mode is not appropriate for scanning photographs or other graphical materials.
 The contrast of the image may become higher.
1. Select [File Format] under [Save] on the scan settings window.
 The [File Format] window appears.
2. Select a file format.
3. Press the [OK] button.
 The information entered is set.
5.9 Setting the Scan Options
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