To get the Epson UB-U03II USB interface card working on Windows 10 you primarily need the Epson Advanced Printer Driver (APD)
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devmgmt.msc > View > Show hidden devices > Uninstall all greyed-out Epson COM ports.Looking to get your Epson POS printer running on Windows 10? The Epson UB-U03II (USB Interface) requires specific Advanced Printer Drivers (APD) to function properly with Windows 10 (32 & 64-bit) epson ub u03ii driver windows 10 top
The Epson UB-U03II is a USB interface board (Connect-it module) designed for Epson TM-series POS receipt printers. To use it on Windows 10, you must install the Epson Advanced Printer Driver (APD), which includes the necessary USB controller components for this card. Download and Compatibility To get the Epson UB-U03II USB interface card