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Two ideas which may appeal, then again they may not, depends.
Lower the DPI say, to 72, when scanning, but try and then save immediately to PNG and at the same time, up the DPI to 300. This may give you acceptable results, but of course a close check will be needed, but I have noticed, a lower DPI, a fast scanning time, which figures I suppose.
Or, is there an absolute need for converting back to text? Many books and ebooks are constructed of image files only. For some it is to avoid the OCR business, for others it is to retain the look and the 'smell' as it were of the original antiquarian book, because then, calling it a facsimile carries some weight, and you do find that even the faded edges caused through the years passing, give it a stylised oldy charm.
Obviously, if you do obtain a faster scanner, then great, but if not, then either of the above just could help a tad.
SofP
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