Supported operating system:

Windows XP 32-bit
Windows Vista 32-bit
Windows 7 32-bit
Windows Server 2003 32-bit
Windows Server 2008 32-bit

Release note:
HP Designjet 100plus printer PCL3GUI version 7.00 driver for WinXP/2003/Vista/2008/Win7 released on 29th July 2010.

Supported Devices:
HP designjet 100plus