The original epson t7891 ink cartridge is ideal for busy offices as its filled to the maximum capacity with high quality black ink thanks to its extra high capacity of approximately 4 000 pages the epson t7891 printer cartridge doesnt need frequent replacement and can even improve workflow using durabrite ultra ink the genuine epson t7891 xxl black cartridge delivers resin coated pigments for an even finish you can produce laser quality texts or smooth black and white images using the eps