The Xprinter Diagnostic Tool (for Windows) and the official BarTender/Xprinter drivers. Step 1: Connect via USB for Initial Configuration

Before you start, a quick check of the box will also confirm you have everything you need:

On your computer or smartphone, look for a Wi-Fi network named "XP-420B" or similar.

Once connected, import your PDF shipping labels into the app to print wirelessly. Troubleshooting Common Setup Issues

First, you need the printer working via USB.

If you don't have a router, you can connect your device directly to the printer’s own Wi-Fi signal.

What your computer uses (Windows, Mac, etc.) The exact error message or behavior you are seeing

Open the configuration tool and select as the connection method. Navigate to the "WiFi Setting" or "Network Setting" tab.

Once the printer is on your Wi-Fi network, you must install the drivers on each computer that needs to print.

Xprinter utilizes a utility software called (often named XPrinter Tool or Diagnostic Tool ). Download this from the official Xprinter website or your vendor's resource page. 2. Connect via USB Connect the XP-420B to your PC using the USB cable. Open the Diagnostic Tool. Click on the Interface drop-down menu and select USB .

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