Epson WorkForce ES-50 Users Guide - Page 91

Ripple Patterns Appear in an Image, Spots or Lines Appear in All Scanned Images

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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 Spots or Lines Appear in All Scanned Images If spots or lines appear in all your scanned images, try these solutions: • Clean inside the scanner using a cleaning sheet. • Calibrate the scanner using a calibration sheet. • Make sure the surface of your original is clean. • Avoid scanning in direct sunlight. Note: If you are scanning a plastic card with a shiny surface, a line may appear in the scan. Parent topic: Solving Scanned Image Quality Problems Related tasks Cleaning Inside Your Scanner Calibrating Your Scanner Straight Lines in an Image Appear Crooked If straight lines in an original appear crooked in a scanned image, try these solutions: • Make sure to load your original straight when you scan it. • Clean inside the scanner using a cleaning sheet. Parent topic: Solving Scanned Image Quality Problems Scanned Image is Cropped If the edges of a scanned image are cropped, try the following solutions: • Select Auto Detect as the Document Size setting in Epson Scan 2. 91

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91
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
Spots or Lines Appear in All Scanned Images
If spots or lines appear in all your scanned images, try these solutions:
• Clean inside the scanner using a cleaning sheet.
• Calibrate the scanner using a calibration sheet.
• Make sure the surface of your original is clean.
• Avoid scanning in direct sunlight.
Note:
If you are scanning a plastic card with a shiny surface, a line may appear in the scan.
Parent topic:
Solving Scanned Image Quality Problems
Related tasks
Cleaning Inside Your Scanner
Calibrating Your Scanner
Straight Lines in an Image Appear Crooked
If straight lines in an original appear crooked in a scanned image, try these solutions:
• Make sure to load your original straight when you scan it.
• Clean inside the scanner using a cleaning sheet.
Parent topic:
Solving Scanned Image Quality Problems
Scanned Image is Cropped
If the edges of a scanned image are cropped, try the following solutions:
• Select
Auto Detect
as the Document Size setting in Epson Scan 2.