Follow these Steps:
Download the file [ps216xx.exe], then locate those files in the directory C:\Temp\1000 or the directory you chose to download them into.
Double-click on file to uncompress within the 1000 directory.
NOTE: Begin by removing previous versions of the P1000/1000 printer software.
To uninstall the printer software, you must use this method:
Locate the directory you downloaded the Web driver into, default is C:\Temp\1000.
Double-click Setup.exe from within this C:\Temp\1000 directory.
Choose "Remove the Photosmart P1000 series software".
Before proceeding with the Web file installation, it is important there is NO CD-ROM inserted in your CD Drive while doing this software update.