Model: HP Color LaserJet 2820 All-in-One, HP Color LaserJet 2840 All-in-One
Category: Scanner Driver
Operating System: Windows XP x64 (Note: might work with other versions of this os.)
File: updpswinvistaxp2003-x64.exe
Comments:
HP Color LaserJet 2800 All-in-One series
HP Universal Print Driver for Windows x64 - PostScript