This is a replacement black ultraprecise toner cartridge for the hp laserjet 1100xi laser printer it has a yield of 2500 pages the hp laserjet printer has been engineered to work together with its custom designed hp toner cartridge and specially formulated hp toner as well as a wide assortment of high quality hp paper supplies this hewlett packard laserjet printing process guarantees that your text and graphic printouts are always clear and sharp every time you print this product is provid