Which of the following printers uses dry ink powder?
ADot Matrix Printer
BThermal Printer
CLaser Printer ✓ Correct
DInk Jet Printer
Correct answer: (C) Laser Printer
Explanation
A laser printer uses dry ink powder called toner, which is fused onto the paper by heat.
A laser beam draws the image on a charged drum, and the toner sticks to the charged areas.
A dot matrix printer presses an inked ribbon with tiny pins, using wet ribbon ink, not powder.
A thermal printer uses heat on special heat-sensitive paper and needs no ink powder at all.
An inkjet printer sprays tiny drops of liquid ink, which is the opposite of dry powder.
Laser printers are prized for sharp text and fast, low-cost printing of large volumes.
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