remove cupsd completly?

3 of the cups packeges are used for non-printing things (like pdf conversion) the other 17 can be removed.

> cat /etc/issue
Ubuntu 15.04 \n \l

> dpkg -l | grep -i cup | grep ii | wc -l
20

> apt-get purge -y cups cups-common && apt-get autoremove -y
...

> dpkg -l | grep -i cup | grep ii | wc -l
3

To list all of your installed packages which match 'cups', run

dpkg -l | grep cups

Then just remove them with apt-get remove.

Even after that, there could be some cups processes running. A simple reboot will eliminate them (an alternative would be to manually kill them).