Fujitsu ScanSnap N1800 Operator's Manual page 355

Changing these scan options may influence other scan settings items.
Setting an option may cause other option settings to become invalid.
Other option settings may cause option settings to become invalid.
Scan option settings may be influenced in the following ways.
Tab
Basic Carrier Sheet
Color
Mode
Item
Auto
Color
Grayscale
Black & White
355
Settings which
become invalid
Paper Size
Resolution, [600dpi]
Brightness
Contrast
Background
Removal
Multifeed detection
Paper Size, long
page mode
JPEG as output file
format
Dropout Color
Dropout Color
High Compression
for Color PDF
[Marker Index] of the
text recognition
settings
JPEG as output file
format
Compression
[Marker Index] of the
text recognition
settings
Conditions which
make settings
invalid
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