How a Photocopier Works

Procedure The image is projected onto a charged copying plate + + + +

Procedure The charge leaks away where the light falls + + + + + + + +

Procedure . The plate exposed to fine dry toner powder which sticks only where there is charge on the plate + + + + + + + + + + + + + + +

Procedure . Now clean paper is pressed to the plate And a copy of the original is made + + + + + + + + + + + + + + + Copy of Original

Procedure The copy is now heated to “fix” the toner by melting it in position HOT ROLLER