Amazon.com: MICR Toner International Compatible Magnetic Ink Cartridge Replacement for HP 87A CF287A LaserJet Pro M501 Enterprise M506 MFP M527 Printers : Office Products
Amazon.com: V4INK Compatible Toner Cartridge Replacement for HP 87X CF287X Toner for use in HP Laser jet Pro M501 M506 M527 M501dn M501n M506dn M506n M506x M527f M527dn Printer, 2 Packs high