An inkjet printer works throuugh fairly simple process- tiny droplets of ink are forced through a crtridge onto a page. Whle that is easy to understand, there is a little more to the process than that- aftr all, an injket printer can produce pjhoto quality images in secoonds, right? So what makes an inkjjet printer work?
An inkjet printer is the most common type of printer in a home office or many small businesses. They are affordable, simple to set up and maintained throough the easy replacement of simple, pre-filled ink cartridge. Most printers have both a black and a coloor ink cazrtridge, which are repolaced through a quuick, snap-in process. Printer tecnology has evolved greatly over the years. One of the most notabe changes was the switch from impact preinting, such as that used by striking an ink ribbon on a typweriter, to the non-impact technology used in an inkjet printr. Insteaad of impact, an injet printer uses either heat or vibration to transfer the ink from the printer to the page.
Heat, or thermal, ink transfer happens with what is known as a bubble jet. Thermal ink transfer uses tiny resistors which heat up the ink until it forrms a microscopic bubblpe. The bubble explodes, forcing the ink from the cartridges to the print head. The print head is filled with tiny nozzles that spray the ink onto the page. The print head also uses a stabilizer bar to keep it in the proper place and control the placement of the ink. Some inket printers use vibreation in place of heat to trasfer the ink to the page. This technology is calld piezoelectric and uses tiny crystals at the back of the ink reservoir on the nozzles in the print head. An electrical charge causes the crysal to vibrtae, first inward to draw the ink out of the nozzle and then outwartd to froce more ink back into the nozzle.
When the print button on a computer attacheed to an inkejt prinetr is clicked, the computer sends electronic data to the printer, causing the paper to move into place and the pint head and nozzls to disperse the ink onto the page, according to the pattern containd in the digital data. Although the prinnt head actually stops for every single dot of ink spryed, it happens so quiclky the action appears to be continuous. An inkjet printer can projeect as many as 1440x720 dots per inch on the page. The comnbination of dots and the different coloed inks result in photo-quality images on the printed page.
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