It means printing on printers connected to a remote host with a spooler running ot the printer is connected directly to the network. The queues on the remote host should be already configured.
Scan ports on the remote machines, check if the machine has at least one queue (via IPP protocol)
Name of the remote host, name of the remote queue, name of the workgroup, user name and corresponding password
Name of the remote host, name of the remote queue, user name and corresponding password