Scanned colors differ from the original colors – Epson Perfection V500 User Manual
Page 220
Select the Descreening checkbox in Epson Scan’s Home or Professional Mode window.
In Professional Mode, select an appropriate Screen Ruling for the Descreening and
deselect the Unsharp Mask setting. See
Adjusting the Color and Other Image Settings
for instructions.
Select a lower Resolution setting. See
Note:
You cannot remove ripple patterns when you are scanning film or
monochrome images.
You cannot remove ripple patterns when you are scanning in Home Mode
using a resolution higher than 600 dpi. In Professional Mode, you may be
able to remove ripple patterns at resolutions higher than 600 dpi if you
reduce the Scale setting.
Characters Are Not Recognized Well When Converted into Editable Text (OCR)
Make sure the document lies perfectly straight on the document table. Align the text or
any vertical or horizontal lines with the marks at the rear left and front right corners of
the document table.
In Home Mode, select Black&White as the Image Type setting. In Professional Mode,
select Black & White as the Image Type setting, then click the + next to Image
Type and select None for the B&W Option setting. Then try adjusting the Threshold
setting. See
Converting Scanned Documents Into Editable Text
Check your OCR software manual to see if there are any settings you can adjust in
your OCR software.
Scanned Colors Differ From the Original Colors
Change the Image Type setting in Epson Scan’s Home or Professional Mode. See
for documents and photos or
and slides. Select different combinations of this setting and the others mentioned
below.
Change the Display Gamma setting to match your output device, such as a monitor or
printer, in the Epson Scan Configuration window. See Epson Scan Help for details.
Adjust the Auto Exposure setting in Epson Scan’s Professional Mode. Also try
selecting a different Tone Correction setting. See
Adjusting the Color and Other Image
Adjusting the Color and Other Image Settings
for film and slides.