kserograafia
Kserograafia, derived from the Greek words "xeros" (dry) and "graphein" (to write), is a dry photocopying process. It was invented by Chester Carlson in 1938 and later developed into the first commercial photocopier by the Haloid Company (now Xerox Corporation) in 1959. The core principle behind kserograafia is electrophotography, which utilizes the properties of static electricity and light.
The process begins with a specially coated drum, often made of selenium, which becomes photoconductive when
Next, a fine, dry powder called toner, which is oppositely charged to the residual charge on the