HP 27X (C4127X) Black (2 Pack), High Yield Toner Cartridge Replacement for HP LaserJet 4000, HP LaserJet 4050 by Printel | Price: $54.30 | Cartridge Products | Partsmart
Amazon.com: Toner Cartridge C4127A For HP LaserJet 4000 (Black) - 10000 yield - Black - With new drum - (Remanufactured) : Office Products