HP Designjet T120 ePrinter - Manual (Page 131)

Wireless network issues
1. Make sure the wireless (802.11) light at the top left of the front panel is turned on .
If the blue light is not lit, the wireless capabilities may not have been turned on. To turn on
wireless, press , then Settings > Wireless > On.
2. Make sure that an Ethernet cable has not been connected to the printer. Connecting an Ethernet
cable turns off the printer's wireless capabilities.
3. Restart components of the wireless network.
Turn off the router and the printer, and then turn them back on in this order: router first and then
the printer. If you still are unable to connect, turn off the router, printer, and your computer.
Sometimes, turning off the power and then turning it back on can solve a network communication
issue.
4. Run the Wireless Network Test.
For wireless networking issues, run the Wireless Network Test. To print a Wireless Network Test
page, press , then Settings > Print Wireless Network Test. If a problem is detected, the
printed test report includes recommendations that could help to solve the problem.
Advanced wireless network troubleshooting
If you have tried the above suggestions and are still unable to connect to your printer to the wireless
network, please try the following:
1. Make sure that your computer's wireless networking has been turned on. For more information,
see the documentation that came with your computer.
2. If you are not using a unique network name (SSID), then it is possible that your computer could be
connected to a nearby network that is not yours. The following steps can help you to determine
whether your computer is connected to your network.
Windows
a. Click Start, click Control Panel, point to Network Connections, then click View
Network Status and Tasks.
– or –
Click Start, select Settings, click Control Panel, double-click Network Connections,
click the View menu, then select Details.
Leave the network dialog box open while you continue to the next step.
b. Disconnect the power cord from the wireless router. The connection status of your computer
should change to Not Connected.
c. Reconnect the power cord to the wireless router. The connection status should change to
Connected.
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