Epson GT-S55 User Manual page 87

Make sure you do not move the document, or your scanner while scanning.
Make sure the scanner is placed on a flat, stable surface.
Select Unsharp Mask check box. See
Colors Are Patchy or Distorted at the Edges of Your Image
If your document is very thick or curled at the edges, cover the edges with paper to block external light as you scan.
Your Scanned Image Is Too Dark
Check the Brightness setting. See Epson Scan Help for details.
Check the brightness and contrast settings of your computer monitor.
Ripple Patterns Appear in Your Scanned Image
A ripple or cross-hatch pattern (called moiré) may appear in a scanned image of a printed document. It is caused by
interference from the differing pitches in the scanner's screen and the halftone screen in your original.
Original image
Select the Descreening check box. See
Select a lower resolution setting. See
Characters Are Not Recognized Well When Converted into Editable Text (OCR)
Make sure the document lies perfectly straight in the input tray.
Select the Text Enhancement check box.
Adjust the Threshold setting. Select Black & White as the Image Type setting. Then try adjusting the
Threshold setting. See
Adjusting the Color and Other Image Settings
Adjusting the Color and Other Image Settings
Selecting the Scan Resolution
Converting Scanned Documents Into Editable Text
Descreening applied
for instructions.
for instructions.
for instructions.
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