Black High page yield Compatible Toner - CF325A / CF325X (HP 25A) (HP 25X) (34500 page yield)
Amazon.com: HP 43X Black High-yield Toner Cartridge Works with HP LaserJet 9000, 9040, 9050 Series, HP LaserJet 9000, 9040, 9050 MFP Series C8543X : Office Products
Xerox 6R958 Toner for the HP LaserJet 9000 9040 9050 M9040 M9050
Compatible HP C8543JC Toner Cartridge - Black – Printer Dash
Amazon.com: SuppliesMAX Compatible Replacement for HP LJ 9000/9040/9050/M9040/M9050/M9059 Toner Cartridge (30000 Page Yield) (NO. 43X) (C8543JC) : Office Products
HP LaserJet 9050dn Toner Cartridges from $145.99
Black High Yield Toner Cartridge Compatible with HP LaserJet 9050dn (V7530)