Epson DS-780N User Guide - Page 131
Ripple Patterns Appear in an Image, Spots or Lines Appear in All Scanned Images, Rotate, Parent topic - manual
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• If the original document is in Landscape mode, set the Rotate setting to Auto in Epson Scan 2. • If you are using OCR software, check the manual for any additional adjustments. Parent topic: Solving Scanned Image Quality Problems Related concepts Convert Scanned Documents to Editable Text (OCR) Related references Image Format Options Related tasks Scanning in Epson Scan 2 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. Parent topic: Solving Scanned Image Quality Problems Related references Image Format Options Related tasks Scanning in Epson Scan 2 Spots or Lines Appear in All Scanned Images If spots or lines appear in all your scanned images, clean the rollers and glass scanning surfaces inside your scanner using a genuine Epson cleaning kit or a soft, moist cloth. Parent topic: Solving Scanned Image Quality Problems Related tasks Cleaning Inside Your Scanner 131