Selecting A Destination - Epson Expression 1680 Reference Manual

When you need neither Text Enhancement Technology nor Auto
Area Segmentation, select None.
Halftone
Select a halftone or dither setting to reproduce images using
special dot patterns:
Mode A (Hard Tone), Mode B (Soft Tone), Mode C (Net Screen),
Dither A (4 × 4 Bayer), Dither B (4 × 4 Spiral), Dither C (4 × 4 Net
Screen), Dither D (8 × 4 Net Screen), or None.
Note:
Halftone is available only when Pixel Depth is set to Black & White.

Selecting a Destination

The Destination setting allows you to specify the application or
the output device for which the scanned image is intended. Use
the Destination list to select a predefined or user-defined
destination, or use the Destination button to customize
Destination settings.
Understanding EPSON TWAIN Pro Features
2-9