Dell S3845cdn User Manual page 446

Overview of the Dell TWAIN Driver
The Dell TWAIN driver consists of the following scan features:
Section Feature
Custom Action Custom Action
Scan Settings Image Type
Scan Sides
Scan Size
Resolution
Auto Exposure
Image Options Reduce/ Enlarge
Brightness
Contrast
Sharpness
Edge Erase
Rotate and Rotation
Image
Conversion
Inversion
Crop Origin
Size
Image Quality Auto Correction
Tone Adjustments Sets the output color levels of the image
Creating and Modifying the Custom Action
1 Open the TWAIN Driver UI from the TWAIN compatible application.
2 Select Device Default from Custom Action and click on New button.
3 Enter a name in Custom Action Name box and click on Save button.
4 Select parameters from Scan feature Settings and click on the Save button.
5 Saved custom action will be listed in the 'Custom Action' dropdown.
6 By selecting Set as Default check box, currently selected custom action will be set as
Default Custom Action for future usage of this driver.
Deleting the Custom Action
1 Open the TWAIN driver UI from the TWAIN compatible application.
2 Select Custom Action to delete from the Custom Action drop down list.
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Description
Allows to create and save desired settings of scan
parameters into named Custom Action.
Sets whether to scan in color or in black and white.
Sets whether to scan both sides of a document.
Sets the size (Standard/Custom) of scanned
documents.
Sets the scan resolution.
Sets the background suppression level.
Sets the reduction/enlargement ratio.
Sets the brightness in -100 to +100 levels.
Sets the contrast in -100 to +100 levels.
Sets the sharpness of the image.
Sets the value of the margins.
Sets the rotation of the scanned image(s).
Sets the inversion of the scanned image(s).
Sets the crop area
Sets the Density, Contrast and Sharpness
automatically
Color Channel Only for Color Image Type
Input Level Only for Color and Grayscale Image Type
Output Level Only for Color and Grayscale Image Type
Threshold Only for Black and White Image Type