The HP LaserJet 87A Black Toner Cartridge - CF287A has a printing life of up to 9,000 pages at 5% coverage and is compatible with the HP LaserJet Enterprise M506dh, M506dn, M506n, M506x, MFP M527dn, MFP M527f; LaserJet Enterprise Flow MFP M527c, MFP M527z; LaserJet Managed M506dnm, M506xm, MFP M527dnm; LaserJet Managed Flow MFP M527cm; LaserJet Pro M501dn, M501n.