The inkjet printer, which is also known as the bubble jet, was first introduced in 1976, but it took until the late 1980s before it become popular with home users, largely because of its printing problems and its cost. Inkjet printers create a printed image by spraying small droplets of very quick-drying ink through tiny nozzles (jets) onto the paper. The image quality on a monitor, is measured in dots per inch (dpi). The number of dots of ink used in a square inch of paper, the higher the print quality will be. For the most part, inkjet printers produce a better quality print than a dot matrix printer at roughly the same cost.
Liquid ink cartridge from Hewlett-Packard HP 845C inkjet printer
Inkjet printers operate by propelling variably sized droplets of liquid ink onto almost any sized page. They are the most common type of computer printer used by consumers.
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