Epson Expression 1680 - Manual (Page 9)

Optimizing Scanning 1-1
Chapter 1
Optimizing Scanning
Recommended Adjustment Order
The Adjust tools in EPSON TWAIN Pro’s Preview window offer
you a powerful means of improving image quality, but the order
in which you use these tools can greatly affect your results.
For optimum image enhancement, first click the Auto
Exposure button to automatically adjust the Gamma, Highlight,
and Shadow settings, then make any further adjustments in the
order explained below.
Adjust the brightness and contrast
1. Adjust the Highlight and Shadow settings in the Image
Controls dialog box. See “Making the Highlight setting” on
page 1-2 and “Making the Shadow setting” on page 1-3.
2. Adjust the Gamma setting in the Image Controls dialog box.
See “Making the Gamma setting” on page 1-5.
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 1-5.
Make color adjustments
4. Adjust the Gray Balance Intensity setting in the Color
Adjustment dialog box. See “Making the Gray Balance
Intensity setting” on page 1-7.
5. Adjust the Saturation setting in the Color Adjustment dialog
box. See “Making the Saturation setting” on page 1-8.