A printer is
an electromechanical device which converts the text and graphical
documents from electronic form to the physical form. Generally they are
the external peripheral devices which are connected with the computers
or laptops through a cable or wirelessly to receive input data and print
them on the papers. A wide range of printers are available with a
variety of features ranging from printing black and white text documents
to high quality colored graphic images.
Quality
of printers is identified by its features like color quality, speed of
printing, resolution etc. Modern printers come with multipurpose
functions i.e. they are combination of printer, scanner, photocopier,
fax, etc. To serve different needs there are variety of printers
available that works on different types of technologies.
Types of Printers:
Since
the invention of the printing technology, a variety of technologies
have been employed in computer printers. Broadly printers are
categorized as impact and non impact printers. Impact printers are the
type of printers in which a key strikes the paper to make a letter. The
examples of Impact printers are Daisy wheel and Dot matrix printers.
While non-impact printers do not operate by striking a head against a
ribbon. Inkjet printers and laser printers are the non-impact printers.
The most popular printers are described.
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