Konica Minolta Fujitsu Scanner - Manual (Page 80)

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2.3 Selecting a Color to drop out
2. Select the color to drop out from [Dropout Color] under [More].
For example, if the document contains black text in green frames, you can set
the scanner to get only the text and eliminate the green frames.
3. Click [OK] button.
[TWAIN Driver] dialog box will be redisplayed.
Start scanning from this dialog box and you can drop out the color specified
above.