Manually install the vendor-provided or compatible ESC/POS driver.
in the printer properties (Control Panel > Devices and Printers) to ensure the correct USB or COM port is assigned. Target Integration Printer Driver of PRP-188 PRP-250 PRP-300 PRP-350 - tysso
Are you trying to get your thermal receipt printer working on Windows 10? You’ve come to the right place. The PRP-300 is a reliable POS printer, but finding the correct driver can sometimes be tricky due to limited manufacturer support.