Hi there and welcome
Can you tell me please which language you set the printer to?
ok, your best to reset the printer so its back to english. It is in Slovanian
Follow the instructions here
Reset Menu is Ponastavi meni
Factory Reset it Tovarniška ponastavitev
Let me know how you go please.
ok, using Google Translate to translate
And go to General Setup, There choose Language, then English.
Let me know the results please