UPDATE! 7/7/11 - There are two new machines now:
1.) Located outside of the gift shop. It takes one Euro coin and a 5 cent Euro coin. You do not need to buy a ticket to use the machine. The machine is out of order.
2.) Located in the building atattached to the restaurant in the back left. The machine says Souvenir and it is in a small booth. It takes one Euro Coin and a 2 cent Euro coin. You must buy a ticket to access the machine. The machine is working fine.