Laser printing
Videos
Laser printing is an electrostatic digital printing process. It produces high-quality text and graphics by repeatedly passing a laser beam back and forth over a negatively charged cylinder called a "d
HP LaserJet 4200 series printer, installed atop additional 500-sheet paper tray
Gary Starkweather (seen here in 2009) invented the laser printer.
Laser unit from a Dell P1500. The white hexagon is the rotating scanner mirror.
Magnification of color laser printer output, showing individual toner particles comprising 4 dots of an image with a bluish background
Toner (printing)
Videos
Toner is a powder mixture used in laser printers and photocopiers to form the text and images on paper, in general through a toner cartridge. Mostly granulated plastic, early mixtures added only carbo
Laser printing
…charged cylinder called a "drum" to define a differentially charged image. The drum then selectively collects electrically charged powdered ink (toner), and transfers the image to paper, which is then heated to permanently fuse the text, imagery, or both to the paper. As with digital photocopiers…
Black toner container
Colored toner container
The toner cartridge is a kind of toner container, that is also a consumable component of the printer.