With Chip: These 212A toner cartridge 4 pack are alread installed with chips, No need to transfer orginal 212A or 212X toner chip to them

Package Contents: W2120A Black, W2121A Cyan, W2122A Yellow, W2123A Magenta

Page Yield: 5,500 pages per black 212A toner cartridge & 4,500 pages per color 212A toner cartridges (Letter/A4, at 5% coverage)

Compatible for HP Printer: Color Enterprise M555dn M554dn M555x MFP M578f M578dn Enterprise Flow MFP M578c M578z Printer

High Quality: VICTONER 212A 212X toner cartridges 4 pack committed you with consistency, vibrant color, sharp printin

212A Toner Cartridge 4 Pack Compatible Replacement for HP 212A 212X W2120A W2120X for HP Color Enterprise M555dn M554dn M555x MFP M578f M578dn Flow MFP M578c M578z Printer (Black Cyan Yellow Magenta)