Supported operating system:

Windows XP 64-bit
Windows Vista 64-bit
Windows 7 64-bit
Windows Server 2003 64-bit
Windows Server 2008 64-bit

Release note:
HP Designjet T770/T1200 series printer GL-2&RTL version 61.101.42.0 driver for WinXP-64/2003-64/Vista-64/2008-64/Win7-64 released on 2nd Aug 2010.

Enhancements:

1. The Autorotate functionalities has been improved.

Enhancements included in previous versions:

1. Support for Windows 7
2. New feature "Remove margins between pages" available on "Printing Preferences > Features Tab". If this feature is enabled, multi-page printing jobs will be printed without top or bottom margins, creating one continuous image.

Fixes included in previous versions:

1. Interaction between different printer drivers can cause the system to be unstable, causing application or spooler hangs. The behavior has been improved with this new driver.

Supported Devices:
HP Designjet T1200 HPGL2
HP Designjet T1200ps HPGL2
HP Designjet T770 24in HPGL2
HP Designjet T770 44in HPGL2
HP Designjet T770ps 24in HPGL2
HP Designjet T770ps 44in HPGL2