Amazon.com Give your black-and-white documents a polished, professional look. The HP 21 cartridge is perfect for low-volume users who want laser-quality text and graphics. Features include:
Print professional-looking documents with laser-quality black text.
Reliable—print crisp text every time with your HP printer.
Simple to install and easy to use.
Initial HP printer compatibility:
HP Deskjet 3910
HP Deskjet 3930
HP Deskjet 3940
HP Printer/Scanner/Copier 1410
What's in the Box One HP 21 Black Inkjet Print Cartridge
