the finest documents can be printed with the black canon 731bk toner cartridge. this product is also a solution to reduce the running costs of a small office that wants consistent results. the formulation of this canon 731bk black toner ensures the sharpest text and highly detailed greyscale images. the canon 731bk toner is an all-in-one cartridge that also reduces downtime and the need for maintenance because it already includes the cleaning and drum units. this means replacing a canon 731b all-in-one cartridge ensures fresh drum and cleaning units, too. product features : brand: canoncolor: blackprint pages: approx. 1,400 pagescompatibility: canon i-sensys lbp7100cn, lbp7110cw and mf6680dndetails: produce sharp and crisp printoutsreliable toner cartridgeregardless of paper quality the toner prints amazinglylow cost-per-page ratioeasy to applybrand: canoncolor: blackprint pages: approx. 1,400 pagescompatibility: canon i-sensys lbp7100cn, lbp7110cw and mf6680d