The imaging unit is where the invisible image is born. It is often sold as a single "drum unit."
Allows for the automatic scanning of multiple pages without lifting the lid manually for each sheet. Control Panel: photocopy machine part and function pdf
The first photocopy machine was invented in the 1930s by Chester Carlson, an American physicist. Carlson's machine used a process called electrophotography, which involved charging a light-sensitive drum with electricity and then attracting toner particles to the drum to create a copy. Over the years, photocopy machines have evolved significantly, with modern machines using advanced technologies such as digital imaging and laser printing. The imaging unit is where the invisible image is born