HP Jetdirect 250M User Manual page 50

troubleshooting procedure.
Wait two minutes for the print server to poll the network for available
protocols and services.
Print a configuration page by pushing the test button ( icon).
The printer should print a page that has information on the print server
and the print server's network addresses and other parameters for the
network protocols available on the network.
If the page does not print successfully, click here for the troubleshooting
procedure.
This completes the hardware installation.