The printer (Epson XP-211 does not have a screen.
When I turn it on, it does the normal power-up process, and when the head is parked, all the leds start blinking, and it doesn't respond.
This is a video of the reaction of printer...
http://www.sdigitales.com.ar/VID_20220318_090933.mp4
All the leds blinks after turn on...
Before install the serial, the printer turn on ok, and only on the ink out led.