Drop-on-demand (drop_on_demand): Also called pulsed ink supply. The difference between on-demand ink supply and continuous ink supply is that the pressure on the ink cartridge is not continuous, but only when there is an ink drop, the pressure is applied. Controlled by the digital electrical signal of the imaging computer. Since there is no ink droplet offset, the ink tank and circulation system can be omitted, simplifying the design and structure of the printer. The digital number is converted into instantaneous pressure by heating or piezoelectric crystal. Piezoelectric technology is one of the simplest ways to generate ink droplets. The piezoelectric effect is used. When the piezoelectric crystal is subjected to tiny electronic pulses, it will expand immediately, and the ink cartridge connected to it will be pressed to generate ink droplets. The most representative inkjet technology is piezoelectric ceramic technology.
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