Laser| Cartridge| Black| Page Yield: 1,000 pages| HP Laser 107a (4ZB77A)HP Laser 107r (5UE14A)HP Laser 107w (4ZB78A)HP Laser MFP 135a (4ZB82A)HP Laser MFP 135r (5UE15A)hp Laser MFP 135w (4ZB83A)HP Laser MFP 137fnw (4ZB84A)