4.Use the Adjustment settings to modify your image as necessary. (You may have to use the scroll bar to see these options.)
Auto Adjust – Click this button to let the software detect and analyze the image with the document settings you’ve specified to determine the optimum settings for your scan.
Histogram Adjustment – Click this button to adjust the highlight, shadow, and gamma input levels.
Tone Correction – Click this button to choose a preset tone curve for specific effects or to change the tone curve manually.
Image Adjustment – Click this button to adjust the color balance, saturation, brightness, and contrast settings.
For any of the setting windows above, you can click Reset to go back to the default settings for your image. See the EPSON Scan
5.If you want to sharpen the image, select the Unsharp Mask Filter option. Click 
to see more options, then choose a Level to reduce or increase the effect.
6.Select the Descreening Filter option to reduce the moiré patterns in the image.
To specify the source image you are scanning, click 
to see more options, then choose the closest option to your source document in the Screen Ruling menu. (You may have to use the scroll bar to see this menu.)
14 How To Scan