Epson 9700 & 11880 Non OEM Ink

[Ink stained Fingers]

that depends which 3rd party brand you prefer - you may get K3 compatible ink here in Germany - in cartridges or by the litre bottle

http://easysys.de/shop/contents/de/d882.html

or here in the U.K.

http://www.marrutt.com/epson-9700/epson-stylus-pro-9700-printer.html

or by http://www.octoink.co.uk/categories/Bulk-Ink/Epson-Compatible/Powerchrome-K3/