The following steps outline the process of configuring a QL420+ for wireless connectivity using WEP.

1. Before we configure the printer we will need to download Zebra’s Label Vista program, which is used to configure the QL420+ for wireless connectivity.  Download Label Vista here: Label Vista v 3.5
2. Before connecting the QL420+ to your PC be sure that the unit is powered on, and media is present in the printer. When ready, connect to PC.
3. Windows should recognize a new device and install the necessary drivers.
4. Once the printer is installed and Label Vista is installed, begin device configuration by going to Printer, Com Port Setup.
   
5. Ensure the COM port is set to USB, and the USB Device selected is the QL 420+ device.  Once it is set, click OK.
   
6. Go to Network Setup, and click Network Setup with Encryption.
   
7. Click Next
8. Enter your SSID, click NEXT.
   
9. Choose your encryption type, click NEXT.
10. Enter Encryption Key, click NEXT.
    
11. Select DHCP or Static. If necessary, enter your IP info, then click NEXT.
12. Enter the Network Port 6101, then click NEXT.
13. Click Test Settings. Once the settings are tested and working, click Finish to complete.