Epson XP-4200 Users Guide - Page 234
Image Colors are Patchy at the Edges, Ripple Patterns Appear in an Image, Black & White
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• Adjust the following Epson Scan 2 or Epson ScanSmart settings if available, and try scanning again: • On the Main Settings tab, make sure you select the correct Image Type for your original. • On the Main Settings tab, set the Resolution between 200 and 600 dpi. • On the Advanced Settings tab, select Text Enhancement and choose a setting. Note: The Text Enhancement setting depends on the selected Image Type. • If the Image Type is set to Black & White, adjust the Threshold setting on the Advanced Settings tab. (The Image Option must be set to None.) Parent topic: Solving Scanned Image Quality Problems Related tasks Scanning a Document in Epson ScanSmart Placing Originals on the Scanner Glass Scanning in Epson Scan 2 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. • Select a lower Resolution setting. • Place the original at a slightly different angle. Parent topic: Solving Scanned Image Quality Problems Related tasks Scanning in Epson Scan 2 234