212A Magenta Original LaserJet Toner Cartridge. HP 212A Magenta Standard Capacity Toner Cartridge 4.5K pages. Compatible with HP Colour LaserJet Enterprise M555 / M554 / M578 series. Features include JetIntelligence for professional-quality prints, more pages with affordable high-yield options, excellent performance at high speeds, and innovative anti-fraud protection technology unique to HP. Also compatible with HP LaserJet Enterprise M554, M555, MFP M578, and LaserJet Enterprise Flow MFP M578.