Operation Manual

Understanding EPSON TWAIN Pro Features 2-33
Threshold:
Available only when Pixel Depth is set to Black & White and
Halftone is set to None in the Image Type dialog box. The
scanner scans gray shades as either black or white using this
setting.
You can select from 0 (lightest) to 255 (darkest) by moving the
slider.
Tone Correction
Click the Tone Correction button in the Preview window to view
the following dialog box.
Note:
❏ The default Tone Correction settings are the Linear.