Epson NX420 User Manual

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Wireless Network Setup
7. When you see the Firewall Warning screen, click 
Next
.
Note: 
If you see a firewall alert message, click Unblock or Allow to let EpsonNet Setup 
continue. Do not select Ask Me Later, Keep Blocking, or Block.
8. Wait while EpsonNet Setup configures your printer for the network.
9. When you see the Installation Complete screen, print a test page, then click 
Finish
.