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Common problems HP Solution Center not working : Adobe Flash Player Error and Unable to scan
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HP ENVY 6458e All-in-One Printer

I scan 2-sided documents directly from the scanner into PDF editing software via the TWAIN driver.  Unfortunately the interface is not properly sorting the document after the scan.  The HP Scan program DOES correctly sort 2-sided documents after a scan.  The problem appears to be the TWAIN driver.  In fact, the TWAIN driver interface appears to differ from the HP Scan interface.  In the past (a year ago?), use of the TWAIN driver resulted in correct sorting.  Any suggestions?

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