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The genuine black HP 21 ink cartridge is an affordable and reliable product for printing sharp and crisp text documents, as well as monochrome graphics with the most distinctive detail. The pigmented formulation of the HP C9351A black ink allows it to adhere easily to plain paper, so bleeding and smudging is minimised and outputs last for year without fading. The HP 21 ink cartridge can be used for printing on different speciality paper like glossy sheets and special media for flexibility in the ways you can display your printing outputs. The HP C9351A ink unit is just right for the needs of a small office or home users with it being able to produce an estimated 190 pages of high quality print.
