Moiré Patterns (Web-Like Shadows) Appear; The Edge Of The Original Is Not Scanned When Automatically Detecting The Size Of The Original; Saving As A Searchable Pdf - Epson DS-780N User Manual

User's Guide
Related Information
"Text Enhancement" on page 77
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You can make blurred letters in the original clear and sharp. You can also reduce the offset or unevenness of the
background.
"Threshold" on page 80
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You can adjust the border for monochrome binary (black and white). Increase the threshold, the black color area
becomes larger. Decrease the threshold, the white color area becomes larger.
"Setting a Resolution That Suits the Scanning Purpose" on page 62
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Moiré Patterns (Web-Like Shadows) Appear
If the original is a printed document, moiré patterns (web-like shadows) may appear in the scanned image.
❏ On the Advanced Settings tab in Epson Scan 2, set Descreening.
❏ Change the resolution, and then scan again.
Related Information
"Descreening" on page 80
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You can remove moiré patterns (web-like shadows) that appear when scanning printed paper such as a
magazine.
"Setting a Resolution That Suits the Scanning Purpose" on page 62
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The Edge of the Original is Not Scanned when Automatically
Detecting the Size of the Original
❏ In Epson Scan 2, select the Main Settings tab, and then select Document Size > Settings. On the Document
Size Settings window, adjust Crop Margins for Size "Auto".
❏ Depending on the original, the area of the original may not be detected correctly when using the Auto Detect
feature. Select the appropriate size of the original from the Document Size list.
Note:
If the size of the original you want to scan is not on the list, select Customize, and then create the size manually.
Text is Not Recognized Correctly when Saving as a Searchable PDF
❏ On the Image Format Options window in Epson Scan 2, check that Text Language is set correctly on the Text
tab.
❏ Check that the original is placed straight.
Solving Problems
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