Setting Up
On the printer
Configure wireless via the touch screen - i.e. just give it the ESSID it needs to connect to with password.
You can print the wireless details
Take note of the Bonjour name for the printer, this should get auto-discovered by computers
Kubuntu
Turn on the Printer!
Add a printer
Click on the Bonjour named printer
Use the IPP-DNS-SD connection
Choose the hpcups driver (not the driverless or foomatic versions)