Finalize the installation and perform a Calibration by holding the feed button until the LED flashes red to ensure it detects your label size correctly. Troubleshooting Tips
Locate the or Setup tab (depending on your tool version). Find the button labeled WLAN Setup or Wi-Fi Config . A new window will appear. Enter your network details: SSID : Your Wi-Fi name (case sensitive). Encryption : Usually WPA2-PSK. Password : Your Wi-Fi security key.
: Ensure your router is broadcasting on 2.4GHz . Most thermal printers do not support 5GHz bands.
Plug the printer into your Windows PC using the included USB cable and turn it on.
in the configuration tool so the printer stayed at the same "address" forever. Are you setting this up on a Windows PC , or are you trying to print directly from an iPhone/Android
Once the printer is on your Wi-Fi, you must add it to your computer as a network device. Open the Xprinter XP-420B Driver .