Containing exceptionally dark HP Vivera ink, this cartridge produces vivid images and sharp text with laser-like quality which will resist any smudging, bleeding or fading. With a yield of up to 250 pages from just one cartridge, this ink makes the very best of both your printer and your money. Specifications Yields up to 250 pages Dimensions: H11.5 x W2.5 x D11cm Colour: Black Compatibility HP Deskjet: 3070 / 3520 HP PhotoSmart: 5510 / 5520 / 5525 / 6510 / 6520 / 7510 / B8550 / C5380 / C6380 / D5460 HP OfficeJet: 4620 / 4622