HP 21 Black Original Ink Cartridge

Print polished, professional documents with laser-quality black text. HP ink cartridges are designed to work with your HP printer for the best results.

Want more pages, great reliability, and amazing value? You want original HP inks.

Why buy original HP ink?
Get up to twice as many pages vs. with refills Ensure that your printing is right the first time and every time.Based on a Spencer Lab 2018 study commissioned by HP for the on-average performance of 12 brands of remanufactured cartridges, refilled cartridges from leading refill service providers, and refill kits compared to Original HP ink cartridges (61XL, 62XL, 63XL, 564XL, 950XL, 951XL, 970XL & 971XL) sold in North America. See http://www.spencerlab.com/reports/HPInkReliability-NA-2018.pdf.

Laser-quality black text
Pigmented black inks provide crisp sharp text for your letters and reports.Keep your documents for a long-term reference. Text remains clear longer than many plain papers.HP quality and reliability ensures your printing tasks are easy and results are genuine HP quality.

Reliable printed results
HP inkjet printing supplies and printers are designed to produce consistent results every time.Results you can count on across a broad range of plain papers and speciality media.HP quality and reliability ensures your printing tasks are easy and results are genuine HP quality.

Easy to use
Supplies are easy to select, replace, and install.Save time and money with on-screen ink-level indicator in your printer software.HP quality and reliability ensures your printing tasks are easy and results are genuine HP quality.