Epson DS-510 User Manual - Page 73

Ripple Patterns Appear in an Image, Spots or Lines Appear in All Scanned Images, Text Enhancement - scanner manual

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• Adjust these Epson Scan settings (if available) and try scanning again: • Select Text Enhancement • Select the correct Image Type setting • Adjust the Threshold setting • Set the scanning resolution between 200 and 600 dpi. • If you are using OCR software, check the manual for any additional adjustments. Parent topic: Solving Scanned Image Quality Problems Related references Available Image Adjustments Related tasks Scanning with Epson Scan 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: • Select the Descreening setting. • Select a lower Resolution setting. Parent topic: Solving Scanned Image Quality Problems Related references Available Image Adjustments Related tasks Scanning with Epson Scan Cleaning Inside Your Scanner Spots or Lines Appear in All Scanned Images If spots or lines appear in all your scanned images, follow these steps to clean the scanner glass: 1. Turn off the scanner. 2. Unplug the AC adapter. 3. Disconnect any connected cables. 73

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• Adjust these Epson Scan settings (if available) and try scanning again:
• Select
Text Enhancement
• Select the correct
Image Type
setting
• Adjust the
Threshold
setting
• Set the scanning resolution between 200 and 600 dpi.
• If you are using OCR software, check the manual for any additional adjustments.
Parent topic:
Solving Scanned Image Quality Problems
Related references
Available Image Adjustments
Related tasks
Scanning with Epson Scan
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:
• Select the
Descreening
setting.
• Select a lower
Resolution
setting.
Parent topic:
Solving Scanned Image Quality Problems
Related references
Available Image Adjustments
Related tasks
Scanning with Epson Scan
Cleaning Inside Your Scanner
Spots or Lines Appear in All Scanned Images
If spots or lines appear in all your scanned images, follow these steps to clean the scanner glass:
1. Turn off the scanner.
2. Unplug the AC adapter.
3. Disconnect any connected cables.
73