Scan (Macintosh)
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Sensitivity / Threshold
Sensitivity
(available when you select
Dynamic Threshold
)
If your document contains small dots or speckles and you want to remove them, increase the sensitivity
value by moving the bar to the right.
Threshold
(available when you select
Fixed Processing
or
Document
)
A low threshold value produces a lighter image, and can be used to subdue backgrounds and unneeded
information. A high threshold value produces darker images, and can be used to help faint images stand out.
Brightness
Use the
Brightness
bar to lighten or darken an image. The greater the value, the clearer the image.
Contrast
Use the
Contrast
bar to adjust the range between the darkest and the lightest shades in the image.
The greater the value, the greater the difference between light and dark.
Resolution
Select a resolution value from the pop-up list. The greater the value, the higher the resolution, and larger the
file size.
You can type a custom resolution value in the
Resolution
field.
Invert
Use
Invert
to reverse the brightness and the colors in the image. The default setting is
Black on White
background. To reverse this, select
White on Black
.
Scan Source
Automatic
The machine uses the paper from the ADF first. If there is no paper in the ADF, the machine switches
to Flatbed scanning.
Automatic Document Feeder (ADF)
Use the ADF to scan multiple pages.
Flatbed
Use the scanner glass to scan.
Black on White
White on Black
