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Dots and drops

HP ink layering technology

Read how independent testing confirms that HP prints are better than the rest
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Dots and drops
» Fade-resistant photos
» HP ink layering technology
» B&W photo printing
The secret of rich, realistic photo prints? There isn’t just one…
It’s a variety of elements—the number and size of ink droplets, how they’re layered and mixed on a specialty paper, and the quality of the ink—that really make the pictures come alive.
 

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Under the microscope
Under the microscope
For life-like photos, size and placement of ink drops matter.
HP starts every shade of colour with a drop 1/3 the width of a human hair—a picoliter. That's a millionth of a millionth of a liter.
That drop is then mixed precisely with another drop. And another and another and another: An HP cartridge manages 500 microscopic nozzles that place 40 million picoliters on a 4" x 6" print.
Nozzle accuracy is crucial to creating sharp, clear pictures. HP printers blast 36,000 drops of ink per second to produce stellar results. And shooting a drop of ink right next to another is like trying to drop a nickel into a paper cup … from a skyscraper.
The link to ink
The link to ink
True to the origin of their name—which means life and longevity—HP’s new Vivera inks combine the best output colour and fade resistance.
Most dyes can’t deliver good colour and good fade resistance; HP co-develops exclusive dyes for vivid colour on plain and specialty papers, as well as extended fade resistance on HP photo papers.
The use of dyes, rather than pigments, provides an exceptionally smooth high-gloss finish on glossy photo papers for brilliant, three-dimensional image quality.
The dyes are formulated with a proprietary chemical structure that prevents deterioration by screening out light and pollutants.
8 is enough
8 is enough
Many printers use either four or six colour inks—HP set the bar (again!) with its 8-colour inkjet printers.
The two new colours aren't really colours—they're lighter and darker neutral shades of gray.
As if two new colours weren't enough, each printed pixel can combine 32 superfine ink droplets for up to 72.9 million colours.
The result is dazzling, vibrant images with improved shadow detail, better colour accuracy, and even sharper images that last even longer*.
*Up to 108 years, based on Wilhelm-Research.com light-fade testing under glass using the HP 97 Tri-colour and the HP 99 Photo Inkjet Print Cartridges on HP Premium Plus Photo Papers. For more information on additional permanence testing factors, visit this site.

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» Get more information about how 8-ink printing works.