【Compatible Models】Compatible for hp 212a w2121a cyan toner cartridges replacement for HP Color LaserJet Enterprise Flow MFP M578c, M578z; Color LaserJet Enterprise M554dn, M555dn, M555x; Color LaserJet Enterprise MFP M578dn, M578f Printer 【Upgraded Smart Chip】Each compatible for hp 212x cyan high yield toner built-in Smart Chip to ensure full working compatibility,No additional adjustments during installation. 【Toner Level Tracking Technology】- for hp 212a cyan standard yield toner cartridges w2121a are equipped with smart chip that allows you to monitor current toner level and order a replacement pack in time 【High Page Yield】- Up to 4,500 Pages per 212 A Cyan Toner Cartridges (Letter/A4, at 5% Coverage) 【Choose us with Confident】With ISO9001, ISO14001 that offering high performance for hp m554 toner cyan. Compatible for HP Color Enterprise M555dn M554dn M555x MFP M578f M578dn Enterprise Flow MFP M578c M578z Printer