Tipos de impresoras

HECHO CON IA (jenni.ai)
There are many different types of printers.

Let’s look at some of the major ones.

  1. LASER: This is the type of printer that Xerox uses. It makes crisp, clear prints. They are really slow and expensive.
  2. INKJET: This type of printer uses ink that is sprayed onto the paper. They are quick and cheap.
  3. THERMAL: This type of printer uses heat to make the ink dry on the paper. It is more expensive than an ink jet.
  4. SUBLIMATION: This type of printer uses heat to make special ink dry on paper. Special paper is used, too. It dries really quickly.
  5. PRESS: These printers use large drums to print. The ink is rolled onto the drum, which is then pushed onto the paper. It is very expensive.
  6. RIBBON: This type of printer is very new. It uses small ribbon cartridges. The ink is printed on to the paper. The cartridges are easy to change.
  7. OFFSET: These printers use lots of ink. The ink is transferred from metal plates. The paper is pressed against the plates. The ink stays on the metal plates. It is cheaper but takes a long time.
  8. PAINTING: This is the type of printer that uses paint. It works like an offset printer.
  9. INK SPRAY: This type of printer uses small cartridges of ink. A special head shoots ink onto the paper. It is faster but the cartridges run out quickly.
  10. WATERJET: This type of printer uses water to print on paper. Special paper is used. It leaves a water mark when the paper dries. It is cheap but takes time to dry.
  11. RADIAL: This type of printer is very big. It has lots of disks that spin around. The ink is sprayed onto the spinning disks. It prints very quickly.
  12. FILAMENT: This type of printer uses a big roll of paper. A special head moves across the paper. The ink stays on the paper as it rolls across the machine. It is cheap and fast.
  13. DIAGONAL: This type of printer is also very big. It has lots of disks that spin around. The ink is sprayed onto the spinning disks.

Impresoras laser
In laser printing, a laser beam is used to draw the text or image to be printed, by moving the beam back and forth (interlacing) across the page. This scanning of the beam accounts for the relatively fast printing speeds attainable with laser printers.

Text is encoded in digital form and then stored in memory until it is needed. The printing process starts by sending the document, from computer memory, to a «Raster Image Processor», which converts the document into a matrix of dots or pixels. The laser beam rasterizes (or «renders») the matrix of dots into visible lines. The laser beam draws these lines in a series of passes, each moving the beam one pixel to the right, one pixel down, one pixel back, and one step to the right. This scanning process accounts for the relatively high resolution of laser printers.

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