Understanding EPSON TWAIN Features
3-21
Click the
Image Controls
button on the Manual mode window
to view the following dialog box.
Note:
❏
The Image Controls button appears dimmed and is not available
when B/W Option is set to
Text Enhancement Technology
in
the Image Type dialog box.
❏
The Image Controls settings are optimized automatically when you
scan from the Full Auto mode.
❏
If Pixel Depth is set to
Black & White
and Halftone is set to
None
in the Image Type dialog box, all the settings except Threshold
appear dimmed and cannot be selected.
❏
You can see the effects of the Image Controls settings in the Preview
window.
Summary of Contents for 1640SU - Perfection Photo Scanner
Page 2: ... 2 ...
Page 44: ...2 20 Scanning Basics High Contrast Increases the contrast of dull images Open Shadow ...
Page 54: ...2 30 Scanning Basics ...
Page 98: ...4 10 Calibrating Your System ...
Page 114: ...5 16 Options Paper support Spare paper path guide ADF Document Mat ...
Page 130: ...5 32 Options ...
Page 172: ...6 42 Maintenance and Troubleshooting ...
Page 185: ...Contacting Customer Support B 1 Appendix B Contacting Customer Support Overview B 2 ...
Page 192: ... 6 Glossary ...