Q:

What is the difference between an inkjet and a DeskJet printer?

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Quick Answer

An inkjet is a type of printer technology that sprays ionized ink onto a medium, and Deskjet is a brand of inkjet printers by Hewlett Packard. Both utilizes a series of microscopic nozzles that spray a stream of ink directly onto paper. The HP DeskJet is aimed at people who want to occasionally print pictures as well as documents at home.

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Full Answer

The first inkjet mechanism that was developed sprays a continuous stream of droplets that are aimed onto the paper. Although still used, most inkjets use the drop on demand method, which forces a drop of ink out of a chamber by heat or electricity. The thermal method used by HP, Canon and others heats a resistor that forces a droplet of ink out of the nozzles by creating an air bubble in the ink chamber. Epson uses a piezoelectric technique that charges crystals that expand and "jet" the ink. The printer takes about half a second to complete one horizontal swipe across a page, and thousands of ink droplets can be found on a finished page. The printing resolutions of inkjets vary from 1200 x 1200 dpi to 4800 x 1200 dpi. DeskJets offer resolutions up to 2400 x 2400 dpi.

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