The Scanning Area Or Direction Is Unsatisfactory - Epson NPD4908-00 EN User Manual

User's Guide
❏ Adjust the Threshold setting.
Home Mode:
Select Black&White as the Image Type setting, click the Brightness button, and then try adjusting the Threshold
setting.
Office Mode:
Select Black&White as the Image Type setting, and then try adjusting the Threshold setting.
Professional Mode:
Select Black&White as the Image Type setting.
❏ Increase the resolution setting.
Characters are not recognized correctly when converted into editable text
(OCR)
Place the document so that it is straight on the scanner glass. If the document is skewed, it may not be recognized
correctly.
Ripple patterns appear in your scanned image
A ripple or cross-hatch pattern (known as moiré) may appear in a scanned image of a printed document.
❏ When scanning your document using the scanner glass, try moving your document.
❏ Select Descreening as the image quality setting.
❏ Change a resolution setting and scan again.
Uneven color, smears, dots, or straight lines appear in your image
You may need to clean the interior of the product.
"Cleaning the Product" on page 119
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The scanning area or direction is unsatisfactory

The edges of your original are not scanned
❏ If you are scanning in Full Auto Mode, or using thumbnail preview in Home Mode or Professional Mode, move
the document or photo 6 mm (0.2 inch) away from the horizontal and vertical edges of the scanner glass to avoid
cropping.
Troubleshooting for Scanning
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