HP 21 Ink Cartridges print polished, professional documents with laser-quality black text. HP ink cartridges are designed to work with your HP printer for the best results.
Pigmented black inks provide crisp sharp text for your letters and reports.
HP inkjet printing supplies and printers are designed to produce consistent results every time.
Simple to install and easy to use, HP inkjet printing supplies are specifically designed to work with your HP inkjet printer.
Color(s) of print cartridges
Compatible ink types
Page yield (black and white)
Page yield footnote
Tested in HP PSC 1410 All-in-One. Approximate average based on ISO/IEC 24711 or HP testing methodology and continuous printing. Actual yield varies considerably based on content of printed pages and other factors.