If the printer runs but nothing is printed, the thermal paper is likely loaded upside down. Ensure the shiny/heat-sensitive side is facing the correct direction.
Open the cover and ensure the thermal paper is inserted correctly. The paper must be thermal-sensitive. Driver Printer Panda Prj-80us
Windows 11's stringent driver signing requirements often block older Panda drivers (pre-2021). If the printer runs but nothing is printed,
Right-click the newly installed icon and select Printer properties . Go to the Ports tab. these third-party drivers are confirmed compatible:
With the port alignment set, click the tab inside the printer properties window and select Print Test Page . The printer should instantly cycle and feed a clean Windows diagnostic confirmation slip.
If you cannot find the official Panda disk, these third-party drivers are confirmed compatible: