220-801 Question #1042: Real Exam Question with Answer & Explanation

The correct answer is A: Laser. Laser printers use an electrophotographic process that requires both an imaging drum and a fuser assembly. The imaging drum (photosensitive drum) is electrostatically charged and used to attract toner in the pattern of the image. The fuser assembly then uses heat and pressure to

Question

Which of the following printers includes an imaging drum and fuser assembly?

Options

ALaser
BImpact
CInkjet
DThermal

Explanation

Laser printers use an electrophotographic process that requires both an imaging drum and a fuser assembly. The imaging drum (photosensitive drum) is electrostatically charged and used to attract toner in the pattern of the image. The fuser assembly then uses heat and pressure to permanently bond the toner to the paper. Impact printers (B) use a print head striking an ink ribbon. Inkjet printers (C) use liquid ink sprayed through nozzles. Thermal printers (D) use heat applied directly to special heat-sensitive paper. None of these require a drum or fuser.

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