Manufacturer's Description
The HP No. 20 black inkjet print cartridge is a low-volume cartridge which works with the HP No. 49 tri-color inkjet print cartridges as well as the HP tri-color photo cartridge to deliver crisp, black text, vibrant color and best-in-class plain paper printing. These cartridges are ideal for users who want high-quality output and reliable performance but are also price-conscious and have a low print volume.

For use with :
HP Deskjet 610c, 615c, 640c, 656c
HP Fax 925xi, 1020c
Apollo P-2100, P-2200

Choose the right HP ink cartridge for your HP printer with this HP ink compatibility chart.