These cartridges typically run on Epson inkjet printers that welcome Epson cartridges on which face a cheetah. Their advantage over those with a leopard are that they contain more than ink (for cheetahs: 7.5 ml for black 5.5 ml for the 3 colors against, for Rhino 11.1 ml 3 colors. Note however that the rhinoceros pack does not contain the black cartridge (only 3 colors, so you will need to purchase the T1001 Rhino pack for the black cartridge that contains the passage 25.9 ml). In Finally, the purchase of the pack T1006 + 3 colors for the purchase of parck T1001 always less expensive than buying in ml pack cheetah T0715.