Question

Which of the following types of laser is used in 'Laser Printers'?

• A. Semiconductor laser
• B. Dye laser
• C. Gas laser
• D. None of these

Answer 1

The correct option is A Semiconductor laser

Laser printer are those printers that uses laser and electrical charge to print text or images onto paper. Semi-conductor laser is used in the 'laser printers'.

However, the first laser printers used helium-neon lasers, but recently the use of visible diode lasers has become prevalent. These types of printers are very popular type of personal computer printers.