Inkjetcorner 2 Pack Black Compatible Ink Cartridge Replacement for LC51 MFC230C MFC240C MFC440CN MFC465CN MFC5460CN MFC5860CN 2 x LC51BK Compatible (Black) Inkjet Cartridges are Brand New Generic Each cartridge has approximately 2 year shelf life Quality Matters! ISO 9001 Certified Manufacturer Volume of ink is equal to OEM