Mac OS X v10.6 'Snow Leopard' includes HP Designjet printer drivers plus HP utility for the full print and utility functionality.
The latest HP Designjet software and print utility for the HP Designjet printers listed below are also included in the Mac OS X 10.6 retail DVD, Apple Software updates , and all new Macs that are delivered with Snow Leopard.
Important:
Do not reinstall drivers from the original HP Designjet CDs or web downloads from previous Mac OS X 10.3, 10.4 or 10.5. Older software is not compatible with Snow Leopard. The latest Mac OS X 10.6 compatible HP print drivers are included in Mac OS X 10.6 DVD, Apple Software Updates, and new Macs. You will experience the optimum performance and functionality if the latest HP software is used.