And this is largely based on how laser printers work compared to inkjet. Laser printers rely on a laser, drum, toner, and heat to print an image. Inkjet printers, meanwhile, ...

Gary Starkweather in the early 1970s with a version of the laser printer. He built the first working model in 1971 in less than nine months; by the 1990s, it was a staple of offices around the world.