This header service has reached end-of-life and will be retired as of the end of this calendar year.

There is a new header service available. Please contact Xerox.com for details on how to use the new service.
Xerox 770 Digital Color Press with Xerox 770 DCP EX Print Server

Xerox 770 Digital Color Press with Xerox 770 DCP EX Print Server Support & Drivers