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 Cartridge | Works with HP LaserJet Enterprise M506 Series, HP LaserJet Enterprise MFP M527 Series, HP LaserJet Pro M501 Series | CF287X : Office Products
HP® LaserJet Enterprise M506n (F2A68A#BGJ)
HP LaserJet Enterprise M506 - Replace the toner cartridge | HP® Customer Support
Amazon.com: Aztech Compatible Toner Cartridge Replacement for HP 87A CF287A 87X CF287X for Enterprise M506 M506dn M506n M506x Pro M501 M501dn M527 M527dn Printer (Black, 1-Pack) : Office Products
"MICR Toner Cartridge" for Check Print CF287A (87A) HP Pro M501, M506, M527 | eBay
CF287A Toner Cartridge - HP Genuine OEM (Black)
HP CF287XD CF287X 87X Toner Cartridge black LaserJet Enterprise M506 M506dn M506n M506x M506dh MFP M527 M527dn M527f - Sun Data Supply