In some instances Epson inkjet printers can stop functioning normally and there have been a number of causes for this including firmware updates, reset processes and even just sending a print job.
Whatever the reason Epson does have an option to revert or recover the printer firmware in some printers.
The articles provided via the following links show where to get the relevant firmware (if available) and the process for doing so..
- “My product is unresponsive, it will not print or power off. What should I do?”
https://epson.com/faq/SPT_C11CD10201~faq-259563 - “How To Downgrade Epson XP Printer Firmware (Fix Ink Not Recognized Error)”
https://mattpilz.com/how-to-downgrade-epson-xp-printer-firmware-…/
There are no guarantees that the approach above will work, or even be available for your printer but this information may well save some end-users.