Which printer uses a combination of laser beam and electro photographic techniques ........

Everyday Science (PCS) Physics

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Which printer uses a combination of laser beam and electro photographic techniques?

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PCS Previous year General Studies paper (2015)

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Laser printer

Dot-matrix printer

Line-printer

None of the above

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Explanation:

Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics (and moderate-quality photographs) by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "drum" to define a differentially charged image.