*89X 89A CF289X Black Toner 2‑Pack for HP LaserJet Enterprise M507 M528 Series* • Brand: Cool Toner​ • Model Name: 89X 89A black toner cartridge 2 pack (CF289A / CF289X, with chip)​ • Compatible Devices: HP LaserJet Enterprise M507n, M507dn, M507x, MFP M528dn, M528f, M528c, M528z, M507/M528 series printers​ • Color: Black (89X CF289X black toner cartridge*2)​ • Special Features: With chip, compatible high-yield replacement for HP 89A/89X CF289A/CF289X​ • Included Components: Toner cartridge (2 pack 89X CF289X black toner cartridges)​ • Page Yield: Up to 10,000 pages per 89X CF289X black toner cartridge at 5% coverage (Letter/A4)​ • Compatibility Options: Compatible replacement toner for HP LaserJet Enterprise M507/M528 series​ • Item Usage: Ideal for business, office, and enterprise laser printing needs​ • Valued At $133.99 On Amazon (current list price before discount)