286
To adjust the colors in your scanned image, adjust these Epson Scan 2 or Epson ScanSmart settings (if
available) and try scanning again:
• If the
Image Type
setting is
Color
or
Grayscale
, adjust the
Contrast
setting.
• If the
Image Type
setting is
Black & White
or
Grayscale
, adjust the
Color Enhance
setting.
Parent topic:
Solving Scanned Image Quality Problems
Characters are Not Recognized During Conversion to Editable Text (OCR)
If characters in your scanned images are not recognized during OCR conversion, try these solutions:
• Make sure your original is loaded straight on your product.
• Use an original with clear text.
• When saving scanned images as Searchable PDFs, make sure the correct OCR language is selected.
• Adjust the following Epson Scan 2 or Epson ScanSmart settings if available, and try scanning again:
• On the
Main Settings
tab, make sure you select the correct
Image Type
for your original.
• On the
Main Settings
tab, set the
Resolution
between 200 and 600 dpi.
• On the
Advanced Settings
tab, select
Text Enhancement
and choose a setting.
Note:
The
Text Enhancement
setting depends on the selected
Image Type
.
• If the
Image Type
is set to
Black & White
, adjust the
Threshold
setting on the
Advanced Settings
tab. (The
Image Option
must be set to
None
.)
Parent topic:
Solving Scanned Image Quality Problems
Image Colors are Patchy at the Edges
If you are scanning a thick or warped original, cover its edges with paper to block external light as you
scan it.
Parent topic:
Solving Scanned Image Quality Problems
Ripple Patterns Appear in an Image
You may see a ripple pattern (called a moiré) in scanned images of printed documents. This is caused
by interference from differing pitches in the scanner's screen and your original's halftone screen. To
reduce this effect, adjust these Epson Scan 2 settings (if available) and try scanning again:
• Select the
Descreening
setting.
Содержание ET-4800
Страница 1: ...ET 4800 User s Guide ...
Страница 2: ......
Страница 13: ...13 ET 4800 User s Guide Welcome to the ET 4800 User s Guide For a printable PDF copy of this guide click here ...
Страница 128: ...128 You see an Epson Scan 2 window like this ...
Страница 140: ...140 1 Click the Settings button You see a screen like this 2 Click the File Name Settings tab ...
Страница 142: ...142 You see a screen like this 2 Click the Save Settings tab ...
Страница 145: ...145 You see a screen like this 2 Click the Customize Actions tab ...
Страница 147: ...147 You see this window ...
Страница 212: ...212 You see a window like this 5 Click Print ...
Страница 237: ...237 Related concepts Print Head Cleaning Print Head Alignment ...