How to lock driver settings set by admin

[Joakim Seeberg]

> I installed a printer in cups and in "printer options" set "color mode" to Black and White. Still users can print in color because they can change "color mode" when printing. How can I lock the printer options so that users can only print in Black and White?

I found the solution my self. I edited the ppd file for the printer so that the option is not availeble to the user.