How Laser Printer Works
Reader’s Question:
Can you please explain to me briefly how a laser printer works?
Jim
Indianapolis, IN
A drum is charged up with electrostatic charge. Then, the laser writes the image onto the drum, discharging the bits where it shines but leaving the remainder still charged. The toner is then put on the drum, and sticks where the charge remains, but falls off where the laser has discharged it. Pressure and heat are then used to transfer this ink to the paper and fuse it on.
Entry Filed under: Printer information
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