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Driver especial para IMPRIMIR con Impresora HPdeskjet720C con Windows 7http://h30434.www3.hp.com/t5/Printer-All-in-One-Software-and/Deskjet-710-720-810-820-1000-Series-printers-Patch-for-64-bit/m-p/203377



Deskjet 710/720/810/820/1000 Series printers - Patch for 64 bit Vista and Windows 7
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01-10-2010 04:56 PM - last edited on 06-28-2011 06:12 PM

There is an issue with the 64 bit Vista andWindows 7 drivers that causes the spooler to crash with the following Deskjet printers:



Deskjet 710

Deskjet 712

Deskjet 720

Deskjet 722

Deskjet 810

Deskjet 812

Deskjet 820Deskjet 822

Deskjet 1000



The attached file contains a patch for this issue. Apply the patch as follows: First make sure the driver for the printer is installed. Log into the computer with anadministrative account. Download the patch by clicking on this link or on the paper clip at the end of this post. Save the patch file to your computer, then unzip it. Next copy the three DLL files tothe following directory: %windir%\system32\spool\drivers\x64\3

This can be done from a DOS prompt if DOS is opened with the "run as administrator" command, or from explorer with a copy and paste.Depending on your UAC settings you may need to provide confirmation. Also allow the current files to be overwritten if prompted.

This patch is not required and should not applied to a 32 bit versionof Vista or Windows 7.

Thanks to extraordinary Microsoft engineer Alan Morris for guidance for the patch.

Update - the following are more detailed installation instructions:

Download the patchfrom here. Now click on the file and open it, then extract the patch to some directory that is easy to find. (I use c:\temp. If this directory does not exist you can create it as follows: open the...