This genuine T7891 cartridge contains even more ink than the high capacity black cartridge also available. With enough ink to provide you with an estimated 4,000 prints the C13T789140 further lowers the cost of your printing habit. The T7891XXL original cartridge does not just offer quantity, but quality as well. Filled with s own DureBrite Ultra ink, the C13T789140 is instrumental in producing eye-popping prints that will last. Our T7891 ink cartridge is fully compatible with the WorkForce Pro WF-5110DW and all other printers mentioned on this page. Epson T7891. Printing colours: Black, Compatible products: WorkForce Pro: WF-5110/WF-5190/WF-5620/WF-5690, Cartridge capacity: Super high Compatible. Epson C13T789140/T7891XXL Ink cartridge black extra High-Capacity XXL 4K pages 65.1ml for Epson WF 5110.