<div dir="ltr">I got a problem: after I open gscan2pdf an info window appears saying:<div><br></div><div> Save as DjVu requires djvulibre-bin</div><div> unpaper missing</div><div> OCR requires gocr, tesseract, ocropus, or cuneiform<br><div><br></div><div>after I close that window the little progress bar then runs back and forth as it is "opening device". Then an info window appears saying, :</div><div><br></div><div> "Error opening device: Invalid argument"</div><div><br></div><div>It was working. It was doing this with gscan2pdf version 1.2.3 (the apt version) so I updated it to version 1.2.6 but it was still doing it. I googled 'gscan2pdf "Error opening device: Invalid argument"' but their were only 4 results. The only one of which might have helped said to: <div><br></div><div> rm ~/user/.gscan2pdf<div> rm: cannot remove ‘/home/bmike1/user/.gscan2pdf’: No such file or </div><div> directory</div><div><br></div><div>I then ran apt-get for the programs it said were missing and now only the "Error opening device: Invalid argument" info window appears.</div><div><br></div><div>Any ideas as to how to resolve this?</div><div><br></div><div>:-)~MIKE~(-:</div>
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