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Ink jet computer printers. Ink jet computer printers Well, I'm going to talk
about ink jet computer printers, that I believe everybody ...
... Most ink-jet printers can print in color , in black, and in white. Some printers
can do more than just print computer output. Printers designed for high ...
... There are a few different computer monitors like standard VGA of 640 x 480 dots,
SVGA standard of 800 x ... 6. The differences between laser and ink jet printers is ...
... The printer reads information from the computer and programs it so ... throughout the
past are character printers, dot matrix printers, ink jet printers and laser ...
... The ink-jet printers are capable to give high quality print. ... uses, the output program
that can do this is the program for notepad, and all computer models have ...
Submitted by seba988 on January 22, 2007
Category: Science
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Ink jet computer printers
Well, I'm going to talk about ink jet computer printers, that I believe everybody knows, because we use them almost every day. I will present you what types of ink jet printers we know and how works each of them.
After my presentation or at home you should do the exercises, I (mr. somebody) gave you.
We know different types of ink jet printers like thermal ink jets, piezoelectric ink jets and continuous ink jets. Each of them works in a different way. Most of ink jet printers that we have at home or at work are thermal ink jets.
Thermal ink jets works by having a print cartridge with a series of tiny electrically-heated chambers constructed by photolithography. Photolithography is a process used in semiconductor device fabrication to transfer a pattern from a photomask to the surface of a substrate. To produce an image, the printer runs a pulse of current through the heating elements. A steam explosion in the chamber forms a bubble, which propels a droplet of ink onto the paper. Canon's trade name for this kind of inkjets is Bubblejet. The ink's surface tension pulls another charge of ink into the chamber through a narrow channel attached to an ink reservoir.
The ink used is usually water-based, pigment-based or dye-based but the print head is produced usually at less cost than other ink jet technologies.
Second type of ink jet printers are piezoelectric ink jets, which uses a piezoelectric crystal in each nozzle instead of a heating element. Piezoelectricity is the ability of crystals to generate a voltage in response to applied mechanical stress. When current is applied, the crystal changes shape or size, forcing a droplet of ink from the nozzle. Piezoelectric ink jet allows a wider variety of inks than thermal or continuous ink jet but is more expensive.
The oldest ink jet printers were and are continuous ink jets. In continuous ink jet...
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