HOW THE INKJET PRINTER WORKS
The first commercially- available inkjet printer got sold back in 1988. Ever since that year, the rise in popularity of these essential home and office workhorses has skyrocketed! But have you ever stopped and wondered how these devices produce such high-quality printouts? FACTS ABOUT INKJET PRINTERS Inkjet printers are non-impact devices. That mean they don’t “touch” the paper. Droplets of ink 1/3th thinner than a human hair get “fired onto the paper from each ink nozzle Many inkjet printers can handle resolutions of up to 1,200 dots (droplets) per inch The most important part of these printers is the “print head”. Some printers have the print head inside the printer which houses the cartridges. Others have cartridges with a built-in printhead. These droplets get positioned onto the paper very accurately. Comparable to dropping a penny in a street musicians hat from a 30-storey building. A typical printout has over 2,500 ink droplets deposited on it from an inkjet printer. HOW INKJET PRINTERS WORK Rollers inside the printer feed the paper into position, ready for printing. Inkjet printers send microscopic droplets of ink that get fired onto the paper through nozzles in the print head. Date is received from a computer or via a memory card inserted into the inkjet printer. The print head goes into position thanks to a sliding rod and stepper motor. Epson inkjet printers use a piezoelectric process to “vibrate” the ink through the nozzles.
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