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What is the purpose of the fusing stage in laser printing?

  1. To prepare the drum

  2. To write the image

  3. To develop the toner on the drum

  4. To permanently attach the toner to the paper

The correct answer is: To permanently attach the toner to the paper

The purpose of the fusing stage in laser printing is to permanently attach the toner to the paper. This is achieved by heating the toner and pressing it onto the paper, creating a high-quality and long-lasting image. Option A is incorrect because the drum is prepared in the charging stage, where it is given an electrostatic charge. Option B is incorrect because the image is written on the drum in the exposure stage through the use of a laser beam. Option C is incorrect because the toner is developed on the drum in the development stage. Therefore, option D is the correct answer.