Install all te drivers in the ZIP file as explained in txt file (in sequens) and you have a working 5100c with original software from HP. It is allso found ( if you search well) on the HP site.
You have to install all of them in safe mode and you must reboot the PC each time you install each one, (first sj263xx.exe, next sj269xx.exe and sj660mu.exe; note: xx = lenguage, english = en, spanish = sp, [I installed in Spanish, I downloaded them of hp.com ]).
I installed this update and it has fixed the problem.
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