Changing Resolution; Unsharp Mask; Size - Epson Perfection 640U Reference Manual

Color image scanner
Hide thumbs Also See for Perfection 640U:
Table of Contents

Advertisement

Changing Resolution

You can change the resolution for the current scanning operation
by selecting or typing a new value. Available resolution options
are 72, 96, 150, 300, 600, 1200, 2400, and 9600 dpi.

Unsharp Mask

You can select or deselect the Unsharp Mask setting. Selecting the
check box improves image sharpness.
Note:
If the Image Type setting is Text/Line Art or Illustration, this check
box appears dimmed and cannot be selected.

Size

The Size fields indicate the size of the image that is displayed or
selected in the Preview window.
3-8
Understanding EPSON TWAIN Features

Advertisement

Table of Contents
loading

Table of Contents