220-801 Question #383: Real Exam Question with Answer & Explanation

The correct answer is D: Inkjet. Inkjet printers use one of two technologies: thermal bubble (heat creates vapor bubbles to eject ink) or piezoelectric (piezoelectric crystals flex under voltage, creating pressure to push ink droplets onto paper). The question describes the piezoelectric method used by manufactu

Question

Which of the following printing technologies uses piezoelectric pressure pads to produce small bubbles that are moved to the paper?

Options

AImpact
BThermal
CLaser
DInkjet

Explanation

Inkjet printers use one of two technologies: thermal bubble (heat creates vapor bubbles to eject ink) or piezoelectric (piezoelectric crystals flex under voltage, creating pressure to push ink droplets onto paper). The question describes the piezoelectric method used by manufacturers like Epson. Impact printers use a physical print head striking a ribbon. Thermal printers use heat-sensitive paper without ink. Laser printers use a laser, drum, toner, and fuser - no liquid ink or bubbles are involved.

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