Inkjet printers spray liquid ink onto paper to produce the images. Ink is supplied in cartridges, sealed units inserted into the printer. The ink is transferred from the cartridge to a jet which sprays it onto the paper. The low purchase cost of inkjet printers makes them a popular choice in households and most inkjet printers are capable of printing good quality colour photographs as well as black and white documents. Quality of printing, however, is not as good as laser printers and printing is usually slower. These factors mean that many businesses, schools and universities opt for laser printers instead.
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