EPSON does not honor their warranty policy and calls me a **** / ***** indirectly

I am in disbelief at the moment. I returned my printer over a month ago to the Game we purchased it from. They not only did not get back to me, I had to follow up all the time. Epson's technicians came back saying that I used generic ink in my printer, the yellow one to be precise (here's the thing, my printer has tanks that need to be filled up, so why does the report say a generic cartridge? ). So how did a generic ink bottle end up in my printers sealed box when I purchased it??? The printer keeps a memory of how many pages one prints, could they not check this and see that I have not printed close to the amount that would finish my ink tanks? I feel that you EPSON are making me out to be a ****, and that you just do not want to honor your warranty claim policy! I am beyond upset, I am now lost for word. Can you please send my printer for a second, or third or fourth opinion before making me out to be **** or untruthful? I await your urgent response to this matter and hopefully a favorable one!