1. How a Photocopier Works

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

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

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

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

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