Epson DS-780N User Manual page 89

You see a window like this:
3. Select the language used in the document you are going to scan as the Document Languages
setting.
4. Click Scan Document.
5. If you see the Select Scanner window, select your product and click OK.
Note: Do not select a WIA option for your product; it will not work correctly.
You see a window like this:
6. Select your scanner settings.
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