in inkjet printers droplet from nozzles are charged by?
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When a liquid jet at a ground potential is ejected from a capillary toward an opposing electrode at a certain voltage, the jet acquires corresponding charge and then splits into charged droplets. For this charging process, the model proposed is a cone-sphere to plane geometry.
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In a continuous inkjet printer, the creation of ink droplets is constant, and this is controlled by a high-pressure pump vibrating the nozzle with a piezoelectric crystal. The generated ink droplets are selectively charged via signals from the printer.
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