Amazon.com: HP 87A Black Toner Cartridge | Works with HP LaserJet Enterprise M506 Series, HP LaserJet Enterprise MFP M527 Series, HP LaserJet Pro M501 Series | CF287A : Office Products
Amazon.com: HP 87X Black High-yield Toner Cartridges (2-pack) | Works with HP LaserJet Enterprise M506 Series, HP LaserJet Enterprise MFP M527 Series, HP LaserJet Pro M501 Series | CF287XD : Office Products
Amazon.com: HP 87X Black High-yield Toner Cartridges (2-pack) | Works with HP LaserJet Enterprise M506 Series, HP LaserJet Enterprise MFP M527 Series, HP LaserJet Pro M501 Series | CF287XD : Office Products
HP M501dn Toner | LaserJet Pro M501dn Toner Cartridges
Amazon.com: ToBeter Compatible 87A Toner Replacement for HP CF287A 87A CF287X 87X Toner Cartridges for Laserjet Pro M501 M501dn Enterprise M506 M506dn M506n M506x MFP M527 M527dn M527f Printers (2 Black) :
Black High Yield Toner Cartridge Compatible with HP LaserJet Pro M501dn (N2871)