Ref. 2-20
Confidential
3.5 Print
3.5.1 Basic Principle
The printing process consists broadly of 5 processes: Primary charging, Exposure,
Development, Transfer and Fusing.
1. Primary charging: The surface of an exposure drum is electrically charged.
2. Exposure: A latent image is formed on the surface of the drum by applying laser beam.
3. Development: Toner is adhered to the latent image on the surface of the drum.
4. Transfer: The toner on the surface of the exposure drum is transferred to paper.
5. Fusing: The transferred toner is fused into place on the paper.
After these processes, the image is printed on the paper.
Fig. Ref. 2-19
Charging Exposure Development Transfer
Fusing
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