u can buy cleaning cartridges...
try the part under Epson here it mentions the 515w
http://www.stinkyinkshop.co.uk/blog/...sort-of-thing/
Epson Replaced my 515w for a 600fw after i threatened to report them to Consumer Wales.
After the second one failed they told me there were over 1000 in the warehouse as there had been stock issues and i would recieve one within 2-3 working days.
It never happened and when i contacted them they stated that i would have to wait 6-8 weeks and i said no and wrote a letter to their head office stating what had happened and the Sales of Goods act etc and within a week they rang me and said they were replacing it with a brand new SX600fw and i had it next day.