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Level 14
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Message 11 of 14
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can't scan with adf on hp 6978 using acrobat pro dc 2015

Correct.  The HP Scan software cannot do what you want.

 

However the NAPS2 software works just fine.

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Nlehrer54
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Message 12 of 14
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can't scan with adf on hp 6978 using acrobat pro dc 2015

naps2 will single side from the adf.  but if i say duplex and 300 dpi i get this.  sort of discouraging.

 

2018-06-14_11-59-28.jpg 

 

if i do feeder and 600 dpi it scans then throws "the selected scanner is busy" error.

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Level 14
21,074 20,455 1,538 3,427
Message 13 of 14
243
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HP Recommended

can't scan with adf on hp 6978 using acrobat pro dc 2015

Yes, like I said, you have a computer software problem.  Most likely your drivers are hammered.

 

Fully de-install and remove the printer and all its software.  Use this program here:

 

http://www.iobit.com/en/advanceduninstaller.php

 

When shown use Powerful Scan at the end and delete all registry entries shown for the printer.  This does not affect any other entries and works perfect.  HP uninstall or Windows uninstall does not remove all registry entries and causes problem when reinstalling the software.

 

Now go back and reinstall the Full Featured Software and Drivers from the HP web site.

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Nlehrer54
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Message 14 of 14
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can't scan with adf on hp 6978 using acrobat pro dc 2015

ok.  i did the uninstall reinstall and it is sort of better...

 

naps2 does do duplex. but is it scanning at higher rez?  i scanned the same doc at 300 and 600 dpi and they are the same size, so i don't think that worked correctly.

 

 

and i scan a 2 sided page i get 3 pages back.  the expected 2 plus a blank page.

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