Laser printers were born out of laser imagesetter technology in the late 1980s and became popular in the mid-1990s. It is a print output device that combines laser scanning technology and electrophotographic technology. Its basic working principle is that the binary data information transmitted by the computer is converted into a video signal by a video controller, and then the video signal is converted into a laser drive signal by the video interface/control system, and then the laser scanning system generates a character information. The laser beam is finally imaged and transferred to the paper by an electrophotographic system. Compared with other printing equipment, laser printers have the advantages of fast printing speed and high image quality; but the use cost is relatively high.
