The Epson C13T603100 is a large cartridge that offers users a huge amount of prints from the 220ml of ink it contains. This remanufactured alternative to the Epson T6031 is compatible with all of the same printers including the Epson Stylus Pro 7800.The dye based photo black ink contained within this remanufactured Epson C13T603100 ink cartridge has been designed to offer an exceptional quality of print. When combined with the superb hardware of your printer, results from the remanufactured T6031are astounding.