| Problem | Likely Fix | | :--- | :--- | | Printer shows offline | Go to Devices → right-click Q800 → → Printer → uncheck “Use Printer Offline”. | | Printing garbage/symbols | You installed the wrong driver. Use Generic/Text only or TSC. | | Windows says “driver unsigned” | On Windows 10/11, boot into Disable Driver Signature Enforcement (Shift+Restart → Troubleshoot → Startup Settings). | | Nothing happens when you print | Check USB cable . The Q800 requires a printer USB cable (Type B to A), not just any phone cable. |
Once you have downloaded the .zip or .exe file, follow these steps: Proline Q800 Thermal Printer Drivers Download