Download the manual for the model, will need to go to the configuration of it and change language to English. There will probably be a way to reset to factory defaults and start again if you can't figure out the menus.
If you can tell me what it says in spanish i can translate it for you and guide you, since i have no experience wsith Epson printers. But like hang said In any case there might be a way to reset it. But in any case let me know.