Each print using this magnificent cartridge gives rich and sharp black texts that can even be modified to get gray tones as well as perfectly nuanced halftones. The T7901 is a single-colour compatible inkjet cartridge, designed in state of the art facility, to add more depth and attitude to your photographs. Because of this ink cartridge's stunning black tones, it is unquestionable that the inkjet cartridge can always deliver you nothing but the best. This cartridge is compatible with the following printers: Epson Workforce Pro WF-4630DWF ink cartridges, Epson Workforce Pro WF-4640DTWF ink cartridges, Epson Workforce Pro WF-5110DW ink cartridges Epson Workforce Pro WF-5190DW ink cartridges Epson Workforce Pro WF-5620DWF ink cartridges Epson Workforce Pro WF-5690DWF ink cartridges