Epson ET-5150 Users Guide - Page 318
Image Colors are Patchy at the Edges, Ripple Patterns Appear in an Image
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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 2 settings (if available) and try scanning again: • Make sure you select the correct Image Type for your original. • If the Image Type setting is Auto, Color or Grayscale, adjust the Contrast setting. • If the Image Type setting is Black & White or Grayscale, adjust the Color Enhance setting. Parent topic: Solving Scanned Image Quality Problems Related references Additional Scanning Settings - Main Settings Tab Additional Scanning Settings - Advanced Settings Tab Image Colors are Patchy at the Edges If you are scanning a thick or warped original, cover its edges with paper to block external light as you scan it. Parent topic: Solving Scanned Image Quality Problems 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 2 settings (if available) and try scanning again: • Select the Descreening setting on the Advanced Settings tab. • Select a lower Resolution setting. Parent topic: Solving Scanned Image Quality Problems Related references Additional Scanning Settings - Main Settings Tab Additional Scanning Settings - Advanced Settings Tab 318