: The primary source for the RIO RPP-325 is the manufacturer's product page at Retail in Operation (RIO) , where you can find dedicated downloads for Windows drivers and SDKs for Android and JavaPOS.
Avoid "driver updater" software. Verify checksum (SHA256) if provided. Always restart the spooler after install: net stop spooler && net start spooler . pos thermal printer rpp 325 driver download better
Driver
Here's a brief comparison of the official Epson driver and alternative driver options: : The primary source for the RIO RPP-325