Go to Printer properties > Ports tab. Check if the selection matches your active USB slot (e.g., USB001 or USB002 ). Try swapping ports in the menu until the queue processes. 2. Garbled Text and Random Symbols
Turn your printer on and connect it to your computer using the appropriate cable (USB is the most common). Do not turn the printer off during the installation process. Step 3: Run the Installer
This usually indicates a communication speed mismatch. Reinstall the driver and ensure the settings in the POS software match the printer defaults.
What you are using (e.g., Windows 11, macOS, Linux).
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How to change: Adjust this under the or Advanced tab within Printer Properties. Troubleshooting Common Driver Issues
> "Add a local printer...". Select the USB port the printer is connected to.
However, because it uses proprietary command languages (typically TSPL, EPL, or ZPL emulation), your computer cannot communicate with it without the correct interface driver. This is where the enters the equation.
Windows Core Isolation or Driver Signature Enforcement blocking the legacy installer.
Accept the license agreement and select the installation directory. Step 3: Configuring Printer Ports