Is a CUPS daemon running on your system? Run the command
lpstat -r
in a terminal window. It should output "scheduler is running". If you get "scheduler is not running", start CUPS with
sudo start cups
Now you should be able to set up printers.
Is a CUPS daemon running on your system? Run the command
lpstat -r
in a terminal window. It should output "scheduler is running". If you get "scheduler is not running", start CUPS with
sudo start cups
Now you should be able to set up printers.