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An electrostatic latent image is formed on the photosensitive drum in this step. As the laser
beam scans the negatively charged drum surface, the negative potential on the exposed
area gets neutralized and forms an electrostatic latent image.
Figure 5-29.
Laser beam exposure
Development block
The electrostatic latent image on the photosensitive drum surface is made visible by
applying the toner using the contact development method in this process. The contact
development is the method to press the toner onto the drum surface to develop an image by
bringing the developing cylinder and the drum in absolute contact.
This printer uses a non-magnetic, single-component toner (development agent) made from
resins and other materials.
Step 3: Development
The toner is applied onto the electrostatic latent image on the photosensitive drum surface in
this step.
The toner has an insulating property and gets charged to bear a negative potential, being
rubbed against the rotating developing cylinder and the blade surface.
ENWW Image formation system 151