nutmeggers antiques LLC the salesman for First Data lied to me and used high pressure to sign me up. Minneapolis Minnesota

i was lied to by first First Datas sales rep. i was told it was a six mo. contract.when i wanted to return the equipment, i was told by them it was a year i told them the story. they turned around and said it was a 2 yr contract and sent me the signed copy. i went to my bank who send the salesman and told them the problem. they (i was told) said first data didn't care. they had a signed contract and wouldn't let me out of it.  i've been trying to send the equipment back, but they have no return address (no address at all on any of the stuff) i favent used the stuff except the first mo. it cost more to use than the products i sold. so, wanted to give it back. i'm getting no help form them or the bank.hoping you can help