When prompted for a driver, select the Xprinter XP-420B driver you installed earlier. Mobile Printing via WiFi
Connect the printer to power and install the thermal label roll.
Select Line Printer Daemon (LPD) or HP Jetdirect - Socket .
Download a compatible thermal printing app from the App Store or Google Play Store (e.g., , 4Barcode , or Print Label ).
: Hook the printer up to your Windows computer using the physical USB cable. 💻 Phase 2: Configure Wi-Fi via Xprinter Diagnostic Tool
Re-plug the USB cable, restart the tool, and ensure the printer is turned on.
The Xprinter XP-420B requires a configuration utility tool to inject your Wi-Fi credentials into the printer hardware. 1. Download and Open the Diagnostic Tool
If you encounter issues during the setup process:
Now, the printer knew the Wi-Fi, but Leo’s computer didn't know the printer was on the network. He unplugged the USB cable. He went to his computer’s Printers & Scanners settings and clicked "Add a printer."
Open the Windows and click Devices and Printers . Click Add a printer at the top of the window. Click The printer that I want isn't listed .
Turn off the printer, press and hold the feed button, and turn it back on. Release the button after a few seconds. The printer will print a config sheet.