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(1) Primary charging step
In this step, the surface of the photosensitive drum is charged with a nega-
tive electrical charge by a roller charging system.
(2) Exposure step
In this step, the LASER beam draws the image (area where the charge has
disappeared) on the photosensitive drum.
LASER beam
(3) Developing step
In this step, toner is attached to this invisible image on the photosensitive
drum to change it to a visible image.
Primary charging roller
(negative electrical charge)
Fig. 4-41 Primary Charging Step
Area where charge has disappeared
Fig. 4-42 Exposure Step
Developing cylinder
Toner
Fig. 4-43 Developing Step
RECORDING SECTION
4–35
1
2
3
4
5
6
ït
çi
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