printers class

printers class

1. plotters

   • *slows print more large. *used for print constuction plans. *they can print on large paper sizes. *print advertinsing spends streets.

2. dot-matrix printers

   • *they can print text and graphics. *resolution output-72 to 180 dpi. *are used to print multi-part self -   copying.

3. Thermical transfer

   • *printers are used to produce  color. *used to print magazines. *used to print codes easy.

4. Imagesetters

   • *they produce very high-  resolution output, up to 3,540  dpi. *they are complicated to repair  so their maintenance is  expensive. *it costs 100 times more than the lasser printers.

5. inkjet printers

   • *operate by  projecting small ink  droplets onto paper to from the  required  image. *the print head has several tiny  nozzles. *can produce several hundred      pages.

6. laser printers

   • *preferred by experts. *very high resolution of 1.200-  2.400 dpi. *they scan the image with laser. *transfer it to the paper with a         special called toner.

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