The UC1284B is compatible with Windows operating systems including Windows 7 and Windows10. Take Windows 11 as an example. Users typically won't need to install additional drivers for the UC1284B, as it should be recognized automatically.
Our recommendation:
1. Plug the UC1284B into your PC's another USB port.
2. Make sure your device manager detects it under the "Universal Serial Bus controllers" section as "USB printer support."
3. When adding a new printer， select "USB001 virtual printer port for USB" instead of "LPT1 port."
If you encounter any issues, you might want to check for any missing drivers through Windows Update, as Microsoft often provides necessary updates there.
In addition, you are connecting a printer with UC1284B. You may need to install the printer's driver to work.
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