HP Color LaserJet 2840 All-in-One Printer series Sotware and Driver
OS: Windows 7 (32-bit), Windows Server 2003, Windows Server 2008 W32, Windows Vista, Windows XP
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OS: Windows 7 (64-bit), Windows Server 2003 64-Bit Edition, Windows Server 2008 x64, Windows Vista (64-bit), Windows XP x64
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OS: Mac OS 9