Ensure dependable, high-quality results with every print. Use HP Officejet inks and impressive reliability features for worry-free consistency, page after page. HP printers, inks and papers are designed and tested together for optimal results.
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.