Offering the highest quality prints available for your HP laser printer, the genuine CF289Y toner cartridge is the premium choice for your office. Although you are paying for Hewlett Packard quality with the 89Y, the running costs of your printer are still kept mercifully low thanks to the *** page estimated yield.You can use the original 89Y toner with several of HPs finest printers, including the LaserJet Enterprise M507x. A complete list of all of the printers Hewlett Packard guarantee compatibility of the extra high capacity CF289Y with can be found on this page, for your peace of mind.