Scanning Basics
2-11
Manually optimizing images
To optimize images manually, adjust the following EPSON
TWAIN settings in the order specified below:
Adjust the brightness and contrast
1. Adjust the Highlight and Shadow settings in the Image
Controls dialog box. See “Adjusting the Highlight Setting” on
page 2-13 and “Adjusting the Shadow Setting” on page 2-14.
2. Adjust the Gamma setting in the Image Controls dialog box.
See “Adjusting the Gamma Setting” on page 2-16.
3. Adjust the tone curve with a predefined tone correction
setting in the Tone Correction dialog box. See “Applying a
Preset Tone Curve” on page 2-17.
Make color adjustments
4. Adjust the Gray Balance Intensity setting in the Color
Adjustment dialog box. See “Adjusting the Gray Balance
Intensity Setting” on page 2-21.
5. Adjust the Saturation setting in the Color Adjustment dialog
box. See “Adjusting the Saturation Setting” on page 2-22.
6. Manually adjust the tone curve for individual colors in the
Tone Correction dialog box. See “Using the Tone Curve” on
page 2-23.
To make the following adjustments in EPSON TWAIN, you need
to display a preview image in the Preview window. See the
following section for details.
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 ...