Offering users an estimated 69,000 prints, the genuine Canon CEXV51 BK is a black toner cartridge that offers so many pages due to its simple design. You can use the C-EXV51BK in many printers, including the Canon imageRUNNER ADVANCE IR-C5535i.Designed and manufactured by Canon themselves, there is no higher quality black toner cartridge for your colour laser printer than the CEXV51. Each print from the Canon C-EXV51BK looks great and the entire units comes fully guaranteed by Canon directly.