I just bought you epson

Question

I just bought you epson stylus cx9400 printer fax series and it was suppose to come with the ink and there was not any in there. I have it all set up and no ink if I take it back to the store I have to undo every thing. They talked me in to buying unk which I did so I put my ink in but I am suppose to get ink with it WHAt can I do can you send me the ink?