If you own an Epson Stylus Photo R2400 or an Epson Pro R2400 this is the ink you need. The Epson T0591 Photo Black is part of the Lily range and is designed to produce truly professional level results. This ink is Epson’s high quality UltraChrome K3 ink that has incredible optical density with increased pigment concentration. Simply put, this ink outperforms the previous equivalents so thoroughly that it is recommended that professionals make the switch or risk getting left behind. You can buy the full set of Lily ink cartridges online right now and have them delivered to your door at no additional charge.