HP Jetdirect 250M User Manual page 205

Status light blinking green
The Status light should be ON solid green to indicate that print server
power is OK and that the network cable is connected properly to the print
server. If the Status light is blinking green, please try the steps below and
make changes as necessary.
1. Make sure that the network cable is connected securely to the
print server.
2. Check that the network cable is plugged securely into the
hub/switch/router, and that the connection is set to the correct
network speed.
3. Check that the LINK light is ON for the port on the
hub/switch/router to which the print server is connected.
4. Your network cable may be faulty. Try a different cable.
5. If the light still does not come on, try a different port on the
hub/switch/router.
Is the Status light now ON solid green?
If yes, click the Yes button to return to the Troubleshooting Overview page
and continue with the next step of the troubleshooting procedure. If no,
network cable