There are two network connections. A 10GB and a 1GB. Connect both of those. You can use mDNS (which is what Memjet recommends) or you could use IP addresses to get the RIP talking to the printer.
The mDNS name is on the print engine. A label is affixed to the print engine with the network identity of the printer.
There are two places you need to input that information.
First... Here is where to find it:
You then input that network address into the Server and into the Spooler.