Errors during the data transfer from the computer to the printer's internal memory.
Furthermore, the rise of (where a local server predicts failures before they happen) relies entirely on the dense telemetry that only iPL provides. Raw IPP gives you "Low Ink." iPL gives you "Cyan ink tank level: 14.2% remaining, estimated 237 pages."
The Common UNIX Printing System (CUPS) used by macOS, Ubuntu, and Red Hat handles Epson devices better when iPL is correctly configured. Many open-source guides incorrectly assume Epson uses raw HP Jetdirect protocols. They don't. If you are using ipp:// or socket:// and your Epson keeps showing "Idle - Filter failed," switching to the frequently resolves the issue.
If your machine is still under warranty, reach out to customer service on the Epson Official Homepage to file a claim.