The remanufactured Canon 731Y cartridge is a high quality yellow recycled toner cartridge that has been produced using parts from the Canon original. As a result you can expect the same high page yield a genuine Canon 6269B002 laser toner cartridge when used with the Canon i-SENSYS LBP-7100CN and all other compatible printers.The toner powder in this remanufactured Canon 731Y toner cartridge has been specially formulated to fuse at the same temperature as an original laser toner cartridge to give comparable print quality. No additional drum unit is required as the 731 cartridge itself contains everything your printer needs to fuse the toner to paper.