Within your Inkjet Printer: How Do you use it?
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by: carolmartin11
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Word Count: 632
Date: Mon, 28 Mar 2011 Time: 7:14 AM
Ever wondered how your inkjet printer works?
So how exactly does a lot of it get from the inkjet cartridge to the paper? Why may be the print quality is really clear? Why the printing is so quiet?
Generally, all that generally people know is the fact that there's some movement along with a faint high pitched sound when it's printing something -- after which the finished document comes out.
Unlike dot matrix and character printers that strike ribbons to create an image, inkjet printers don't physically touch the paper.
All inkjet printers function using the same basics. Tiny ink droplets are "jetted" (or pushed) out multiple holes onto paper inside a controlled and systematic fashion. This is where the word "inkjet" originates from.
How big ink droplets, speed and reliability of the type of printer has been continuously improving since its inception in 1976. In 1993, Epson was the very first manufacturer to produce an inkjet printer using micro-piezo technology. The Epson Stylus 800 was the first printer to make use of the multi-layer actuator printhead (the printhead is the the main printer that holds numerous tiny nozzles that actually squirts a lot of it onto paper).
This unique printhead utilized an electro-mechanical element that acted just like a tiny control room. When pulses of electricity passed through, it that gave specific signals to fire individual or multiple nozzles packed with ink.
Micro-piezo technology utilized a tiny crystal in every individual nozzle that after electrically energized, would vibrate or bend causing a controlled amount of ink to become forced out onto paper. When the electrical current is off, the crystal bends back to its original shape, creating a vacuum, thus pulling ink into the nozzle from the reservoir for the following commanded fire.
This breakthrough printer produced a whopping 360 dpi (dots per inch) which was deemed, almost "letter quality" at the time. With a printing speed of 150 - 180 characters per second, the new Epson had become the user favorite printer for home and office.
Simultaneously, HP was utilizing a similar technology. A thermal jetting system was found in their printhead. The printhead still acted such as the control room but every individual nozzle was instead independently super heated by electricity, which caused a lot of it to blow up onto the paper. HP claims the temperature of the fired inkjet nozzle approaches that of the top of sun.
HP elected to put the printhead about the inkjet cartridge itself rather than mounting it permanently towards the carriage. Since each inkjet cartridge might have its own printhead, replacement cartridges will be more expensive for these printers.
HP inkjet cartridges also could not print as quickly as Epson because each nozzle required to cool after firing. This heating technology also limited the types of inks that may be used.
While Canon and HP could produce a 6 - 10 picoliter droplet size from one nozzle, Epson involved half the dimensions (between 3 to 6 picoliters). Currently, there are printers available that will produce an amazing 1 picoliter droplet! To have an concept of how small this really is; a real hair is all about 12 picoliters in diameter. Most human eyes can't see one jetted droplet of ink in writing.
Inkjet printers have come quite a distance since their first inception.
Printers today are two times as fast his or her predecessors were, and are cheaper than ever. Many printers can certainly produce color photo quality images in at an amazing 6000 dpi.
As time goes on so that as demand for printing remains high, the standard, speed and options that come with inkjet printers will only continue to improve.
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