Hp laserJet Pro M402, M403 User Guide enww

3.
Make sure there are not more than 5 concurrent Wi-Fi Direct users.
4.
Turn off any third-party firewalls on your computer.
106 Chapter 6 Solve problems
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5.
Make sure that the wireless network is working correctly.
6.
Make sure that your computer is working correctly. If necessary, restart the computer.
The wireless printer loses communication when connected to a VPN
●
Typically, you cannot connect to a VPN and other networks at the same time.
The network does not appear in the wireless networks list
●
Make sure the wireless router is turned on and has power.
●
The network might be hidden. However, you can still connect to a hidden network.
The wireless network is not functioning
1.
Make sure that the network cable is not connected.
2.
To verify if the network has lost communication, try connecting other devices to the network.
3.
Test network communication by pinging the network.
a.
Open a command-line prompt on your computer.
●
For Windows, click Start, click Run, type 
cmd
, and then press 
Enter
.
●
For OS X, go to Applications, then Utilities, and open Terminal.
b.
Type 
ping
followed by the router IP address.
c.
If the window displays round-trip times, the network is working.
4.
Make sure that the router or printer connects to the same network that the computer connects to.
a.
Print a configuration page.
b.
Compare the service set identifier (SSID) on the configuration report to the SSID in the printer 
configuration for the computer.
c.
If the numbers are not the same, the devices are not connecting to the same network. Reconfigure
the wireless setup for the printer.