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Provided you have not too far from the computer, I counted less than a minute to take it, plug it in, switch it on, take a good resolution PDF from an A4 sheet, the unplug, storing. Less than a minute, that's exactly what it takes to not hesitate to use it.

Allow me to recommend PDFViewer software, a free download, very useful to change the orientation of scanned files, especially since the scanner is designed so intuitively documents there is positioned upside .. .