This is a replacement yellow toner cartridge for hewlett packard color laserjet 4500 series laser printers this cartridge has a 9 000 page yield 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