compatability of Epson Stylus Pro 3880 Printer and OS Ventura

There were drivers added in October of 2022, so it may be compatible.

https://epson.ca/Support/Printers/Professional-Imaging-Printers/Epson-Stylus-Pro-Series/Epson-Stylus-Pro-3880/s/SPT_CA61201-VM?review-filter=macOS+13.x

Have you search the Epson website for a Ventura driver? It may not be compatible with Ventura. have you asked Epson about this or searched their site for confirmation?

Not all devices are being updated to work with Apple latest OS. That's a developer decision.