Original HP LaserJet High-Yield Toner Cartridge – Black Guaranteed to Work With These Printers: HP LaserJet Enterprise Flow MFP M528z, M528c, M507x, M507dn, M528dn, M507n, M507dnf, M528f. Genuine HP CF289X 89X Black Toner Cartridge Looks professional on every page with vibrant, high-quality prints that stand the test of time, Yields up to 10,000 Pages. This means that at 5% page coverage (the average print) you will be able to print 10,000 Pages.