If you are unsure which USB port is active, complete the installation anyway; you can change this later in the Windows control panel. Step 6: Complete Installation and Test
This driver is primarily designed for Windows systems. For macOS, CUPS drivers are available from select manufacturers. Android and iOS devices typically use ESC/POS SDKs instead of traditional drivers.
You may need to temporarily disable Driver Signature Enforcement in the Windows Advanced Startup menu, restart your PC, and run the V8.03 installer again. Conclusion
In , go to the Advanced tab and click Printing Preferences . Look for the Paper/Quality or Layout tab.
For both Windows 10 and 11, you can use the built-in printer troubleshooter:
: Locate the POS Printer Driver V8.03.exe file and run it as an administrator.