What does the fuser do in a laser printer?

What is the fuser unit in a laser printer?

  • Answer:

    The fuser unit is a pair of compression rollers that act to press the toner particles into the paper, while they melt them to it. The top one is heated by a quartz lamp, this roller melts the toner to the paper, as it exits the fuser unit, while the lower roller applies pressure to the paper.

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