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. Print greeting cards, homework, letters, e-mail, information from the Internet, and reports. HP 21 black inkjet print cartridges are simple to install and easy to use. Alerts notify you when ink is running low so you can purchase a replacement cartridge The HP21 black ink cartridge is suitable for use with the following HP Printers: HP DeskJet 3920 and 3940. HP al-in-one PSC 1402, 1410, 1415 and 1417.

This Genuine HP Ink Cartridges is compatible with:

1.Will compatible cartridges damage my printer?

Don't worry, the manufacturer already made strict compatibility testing for us and the ink of the hp 21 ink cartridges is made in USA. As long as following the compatible printer list we provide, there should be no problem.

2.Why buy compatible cartridges from https://www.britanniainks.co.uk?

Our compatible hp 21 ink cartridges come with the latest chip and work the same way as original. They are filled with highest quality ink (which is made in US) and gives best performance as originals. You will save 50% or more on the cost when using our compatible cartridges comparing with originals. Our hp 21 ink cartridges have up to 18 months shelf life and we offer no quibble 12 months warranty.

3.What are compatible hp 21 ink cartridges?

Compare with OEM hp 21 ink cartridges, the compatible hp 21 ink cartridges can offer same functionality as OEM one, they can work well with the OEM printer. But they are at much lower price.

4.What are OEM (original) hp 21 ink cartridges?

OEM (Original Equipment Manufacturer) hp 21 ink cartridges is coming from the original maker, which represents good quality and guarantee, but, the price is normally higher that compatible one.