Inkjet printers

They operate by propelling variably-sized droplets of liquid or molten material (ink) onto almost any sized page.

They are the most common type of computer printer for the general consumer[citation needed] due to their low cost, high quality of output, capability of printing in vivid color, and ease of use.

Like most modern technologies, the present-day inkjet has built on the progress made by many earlier versions. Among many contributors, Epson, Hewlett-Packard and Canon can claim a substantial share of the credit for the development of the modern inkjet. In the worldwide consumer market, four manufacturers account for the majority of inkjet printer sales: Canon, Hewlett-Packard, Epson, and Lexmark.

The emerging ink jet material deposition market also uses ink jet technologies, typically piezoelectric jets, to deposit materials directly on substrates.

The idea is that because the head need not be replaced every time the ink runs out, consumable costs can be made lower and the head itself can be more precise than a cheap disposable one, typically requiring no calibration. On the other hand, if the head is damaged, it is usually necessary to replace the entire printer.

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