The standard capacity magenta offering in the genuine Epson T40C range, the C13T40C340 contains a respectable 26ml of top quality ink. The Epson T40C3 is compatible with several large format inkjet printers and is essential when it comes to getting the very best results.If the quality of your prints needs to reflect the integrity of your business, we cannot recommend the original Epson C13T40C340 (or the high capacity alternative) enough. Containing nothing but Epson UltraChrome XD2 magenta ink, the T40C3 is fully guaranteed by the manufacturer directly.