Comparison of two types of printers.

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Comparison of Two Types Of Printers

        The two printers that I am going to compare are a Dot matrix printer and a Laser Printer.  These two printers may be used in a business.  This is why I have chosen these particular printers.  However, an Ink Jet printer may also be used in a business.

Dot Matrix Printer

        A Dot Matrix printer has a print head which moves across the paper.  There is a set of pins in the print head which shoot out and strike the ink ribbon against the paper as the printhead moves along.

        A Dot Matrix printer produces characters that are made up of dots using a wire-pin print head.

        These printers produce low to medium quality black and white printing.  You cannot print in colour.

        The number of pins that there are in the print head often categorises Dot Matrix printers e.g. normally 9, 18 or 24.

The strengths of a Dot Matrix printer are:

  1. The running costs are low.
  2. They can operate in harsh conditions and they are strong.  
  3. If several sheets of self-carbonating paper are placed into the printer, multiple copies can be produced at the same time because it is an impact printer and strikes the paper.
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The weaknesses of a Dot Matrix printer are:

  1. The printer produces quite low to medium quality printing
  2. It can only print in black and white
  3. It makes a lot of noise while printing
  4. You have to print with continuous paper that has sprocket holes in it
  5. The printing speed is slow

Laser Printer

        Laser printers work in the same way as photocopiers.  A laser printer works by the laser drawing an image onto a photosensitive drum.  The drum rotates and passes the toner reservoir.  The toner reservoir contains powdered plastic.  A piece of paper ...

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