Features

• The HP 21 Black Inkjet Print Cartridge with HP pigment-based inks prints professional-looking documents with laser-quality black text. Get results you can count on across a broad range of plain papers and speciality media.
• The HP 21 Black Inkjet Print Cartridge prints professional-looking

Features

• The HP 21 Black Inkjet Print Cartridge with HP pigment-based inks prints professional-looking documents with laser-quality black text. Get results you can count on across a broad range of plain papers and speciality media.
• The HP 21 Black Inkjet Print Cartridge prints professional-looking documents with laser-quality black text. HP pigment-based black ink provides crisp sharp text for your letters and reports.
• The HP 21 Black Inkjet Print Cartridge produces consistently reliable results every time. Great for greeting cards, educational projects, homework assignments, e-mail and letters and much more.
• HP 21 Black Inkjet Print Cartridges are simple to install and easy to use. Save time and money with on-screen ink-level indicator in your printer software. Alerts notify you when ink is running low so you can purchase a replacement cartridge