Laser printer is a print output device that combines laser scanning technology and electrophotographic technology. Its basic working principle is that the binary data information from the computer is converted into a video signal by the 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 by the electrophotographic system and transferred to the paper. Inside the laser printer is a key component called a photosensitive rotating drum. When the laser is irradiated on the photosensitive rotating drum, the illuminated area can generate static electricity, which can absorb fine materials such as toner.
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