Epson WorkForce DS-780N Users Guide - Page 80

Scanning Settings for Special Documents, Paper and Contents Skew

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Gamma Adjusts the midtone density of the scanned image. Threshold Adjusts the level at which black areas in text and line art are delineated, improving text recognition in OCR (Optical Character Recognition) programs. Edge Fill Corrects shadowing around the edges of the image by filling the shadows with black or white. Remove Punch Holes Removes the shadows caused by holes on the edges of the original. Dual Image Output Scans the original image twice using different output settings (Windows only). Parent topic: Scanning in Epson Scan 2 Scanning Settings for Special Documents You need to select specific options on the Main Settings tab in Epson Scan 2 when scanning special originals. Type of original Envelope Plastic cards Carrier sheet Large originals Required settings Select Off as the Detect Double Feed setting. Select Plastic Card (Landscape) as the Document Size setting and Off as the Detect Double Feed setting. If you select Auto Detect as the Document Size setting, paper skew is automatically corrected even if the Correct Document Skew setting is set to Off. If you select a setting other than Auto Detect as the Document Size setting, you can only use Contents Skew as the Correct Document Skew setting. As paper skew is not applied in this case, only contents skew is corrected when you select the Paper and Contents Skew setting. If the Document Size list does not contain the document size you want to scan, select Customize to create a custom size. 80

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80
Gamma
Adjusts the midtone density of the scanned image.
Threshold
Adjusts the level at which black areas in text and line art are delineated, improving text recognition in
OCR (Optical Character Recognition) programs.
Edge Fill
Corrects shadowing around the edges of the image by filling the shadows with black or white.
Remove Punch Holes
Removes the shadows caused by holes on the edges of the original.
Dual Image Output
Scans the original image twice using different output settings (Windows only).
Parent topic:
Scanning in Epson Scan 2
Scanning Settings for Special Documents
You need to select specific options on the Main Settings tab in Epson Scan 2 when scanning special
originals.
Type of original
Required settings
Envelope
Select
Off
as the
Detect Double Feed
setting.
Plastic cards
Select
Plastic Card (Landscape)
as the
Document Size
setting and
Off
as the
Detect Double Feed
setting.
Carrier sheet
If you select
Auto Detect
as the
Document Size
setting,
paper skew is automatically corrected even if the
Correct
Document Skew
setting is set to
Off
.
If you select a setting other than
Auto Detect
as the
Document Size
setting, you can only use
Contents Skew
as the
Correct Document Skew
setting. As paper skew is
not applied in this case, only contents skew is corrected
when you select the
Paper and Contents Skew
setting.
Large originals
If the
Document Size
list does not contain the document
size you want to scan, select
Customize
to create a custom
size.