What should I do to fix the quality of a scanned image with EPSON Scan?
See the solutions below for your problem type. Image Consists of a Few Dots Only
If your scanned image consists only of a few dots, try these solutions:
If a line of dots appears in all your scanned images, clean the scanner glass with a soft, dry, lint-free cloth or use a small amount of glass cleaner on the cloth, if necessary. Paper towels are not recommended. Caution:Do not spray glass cleaner directly on the scanner glass.Straight Lines in an Image Appear Crooked
If straight lines in an original appear crooked in a scanned image, make sure to place your original straight when you scan it.Image is Distorted or Blurry
If a scanned image appears distorted or blurry, try these solutions:
If you are scanning a thick or warped original, cover its edges with paper to block external light as you scan it.Image is Too Dark
If your scanned image is too dark, try these solutions:
If an image from the back of a thin original appears in your scanned image, place a piece of black paper on the back of the original and scan it again.Ripple Patterns Appear in an Image
You may see a ripple pattern (called a moiré) in scanned images of printed documents. This is caused by interference from differing pitches in the scanner's screen and your original's halftone screen. To reduce this effect, adjust these Epson Scan settings (if available) and try scanning again:
Your product scans using the Auto Photo Orientation setting. This setting checks the preview image for faces, the sky, and other features, and then correctly rotates the photo when it is scanned, if necessary. If your photo is not oriented correctly using this option, deselect the Auto Photo Orientation setting and scan again.Scanned Image Colors Do Not Match Original Colors
Printed colors can never exactly match the colors on your computer monitor because printers and monitors use different color systems: monitors use RGB (red, green, and blue) and printers typically use CMYK (cyan, magenta, yellow, and black).
Check the color matching and color management capabilities of your computer, display adapter, and the software you are using to see if they are affecting the palette of colors you see on your screen.
To adjust the colors in your scanned image, adjust these Epson Scan settings (if available) and try scanning again:
If you cannot adjust the scan area while viewing a Thumbnail preview in Epson Scan, try these solutions:
If the edges of a scanned image are cropped, make sure your original is placed correctly for scanning. If necessary, move your original away from the edges of the scanner glass slightly.Related concepts
Image Preview Guidelines
Selecting a Scan Area - Home Mode
Selecting a Scan Area - Professional Mode
Placing Originals on the Scanner Glass
Cleaning Your Product
Placing Originals on the Product
Selecting EPSON Scan Settings