You can turn on Xerox Standard Accounting which can control User access to color.
Here is a link to the Documentation for the VL C70xx. The System Adminstrator Guide has the process for setup.
Also attached is a brochure that will highlight what Xerox Standard Accounting offers.
I hope this helps.
Good evening ,
How can I determine which computers will print in color and which will not? is there a solution? the computers are on the same network as the printer