Epson WorkForce EC-C7000 Users Guide - Page 354
Image Colors are Patchy at the Edges, Ripple Patterns Appear in an Image
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• Select Settings > Scan Settings and try adjusting these settings and scanning again: • On the Main Settings tab, make sure you select the correct Image Type for your original. • On the Main Settings tab, try increasing the Resolution setting. • 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 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. • Place the original at a slightly different angle. Parent topic: Solving Scanned Image Quality Problems Related references Additional Scanning Settings - Main Settings Tab Additional Scanning Settings - Advanced Settings Tab Streaks Appear in All Scanned Images If streaks appear in all your scanned images, try these solutions: • 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. 354