Xerox Compatible Black Toner Cartridge for Use in HP LaserJet Pro M501/ENTERPRISE M506/LaserJet Enterprise MFP M527 Equivalent to HP 87A/CF287A : Amazon.co.uk: Computers & Accessories
HP M501 M506 M527 MICR Toner Cartridge CF287A, 1pcs/pkt
HP LaserJet Enterprise M506 series Software and Driver Downloads | HP® Customer Support