Moiré Patterns (Web-Like Shadows) Appear; Cannot Scan The Correct Area On The Scanner Glass; Text Is Not Recognized Correctly When Saving As A Searchable Pdf - Epson Workforce Pro WF-C8690DWF User Manual

User's Guide
❏ In Epson Scan 2, when Image Type on the Main Settings tab is set to Black & White, adjust the Threshold on
the Advanced Settings tab. When you increase the Threshold, black becomes stronger.
❏ If the resolution is low, try increasing the resolution and then scanning.
Related Information
"Application for Scanning Documents and Images (Epson Scan 2)" on page 188
&
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
"Application for Scanning Documents and Images (Epson Scan 2)" on page 188
&

Cannot Scan the Correct Area on the Scanner Glass

❏ Make sure the original is placed correctly against the alignment marks.
❏ If the edge of the scanned image is missing, move the original slightly away from the edge of the scanner glass.
❏ When scanning from the control panel and selecting the auto scan area cropping function, remove any trash or
dirt from the scanner glass and document cover. If there is any trash or dirt around the original, the scanning
range expands to include it.
Related Information
"Placing Originals" on page 36
&
"Cleaning the Scanner Glass" on page 186
&

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
227