With Chip: These 89A toner cartridges 2 packs are alread installed with chip, No need to transfer orginal 89A or 89X toner chip

Package Contents: 2 Packs 89A CF289A black toner cartridge Compatible for HP M507 toner cartridge

CF289A 89A Toner for HP Printer: Enterprise M507x M507n M507dn M507 Series; MFP M528 M528dn M528f; Flow MFP M528c M528z M528 Series printer

Page Yield: Up to 5,000 pages per 89A toner (Letter/A4, at 5% coverage), replacement for CF289A 89A toner for HP printer

Excellent Performance: Our High Yield CF289A 89A toner cartridges deliver superior printing results with vivid colors and clear prints