HP CF287X LaserJet Enterprise (LJ ENT) M501/M506/M527 Black Toner - Aftermarket | CF287X-200
HP CF287A 87A Toner Cartridge black LaserJet Enterprise M506 M506dn M506n M506x M506dh MFP M527 M527dn M527f Flow M527z M527c Pro - Sun Data Supply
2-Pack 87X Toner Cartridge Compatible for HP CF287X 87X CF287A 87A LaserJet Enterprise M506 M506n M506x M506dn MFP M527 Series Pro M501n M501dn High Yield Black Printer Ink - Walmart.com