Dell C1765NFW User Manual page 172

Sharpness
Purpose:
To set the default sharpness level.
Values:
Sharpest Makes the scanned image sharper than the original.
Sharper
Normal* Does not make the scanned image sharper or softer than the original.
Softer Makes the scanned image softer than the original.
Softest
Auto Exposure
Purpose:
To suppress the background of the original to enhance text on the scanned image.
Values:
Off Does not suppress the background.
On* Suppresses the background of the original to enhance text on the scanned image.
Margin Top/Bottom
Purpose:
To specify the value of the top and bottom margins.
Values:
2 mm*/0.1 inch* Specify the value in increments of 1 mm/0.1 inch.
Available Range:
0-50 mm/0.0-2.0 inch
Margin Left/Right
Purpose:
To specify the value of the left and right margins.
Values:
2 mm*/0.1 inch* Specify the value in increments of 1 mm/0.1 inch.
Available Range:
0-50 mm/0.0-2.0 inch
170
Understanding the Printer Menus