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Question

Which of the printers used in conjunction with computers uses dry ink powder?

A
Daisy wheel printer
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B
Line printer
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C
Laser printer
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D
Thermal printer
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Solution

The correct option is C Laser printer

Laser printer used in conjunction with computers uses dry ink powder.

Toner is the fine powder used instead of ink in photocopy machines, laser printers and multifunction devices — machines that print, copy and fax. The researchers at Xerox developed a new toner called “EA Toner,” which stands for “emulsion aggregation.” They start with a liquid material that looks like house paint.

The advantage of using a laser printer is that it produces a high quality print, very quickly and quietly. The disadvantage is that colour laser printers are very expensive and tend to produce images that have a shiny, artificial look. They are more suited to printing text than graphics.

A laser printer is a popular type of personal computer printer that uses a non-impact (keys don't strike the paper), photocopier technology. ... The toner is transferred onto a piece of paper and fused to the paper with heat and pressure.


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