CHAPTER 2

Step 2 Scanning exposure

Laser beam

Unexposed area

Exposed area

Figure 2-4-7

When the laser beam scans the drum surface, it causes the charge to be neutralized in the areas struck by the laser beam. These areas on the drum surface form the electrostatic latent image.

2. Development stage

Particles of toner are placed onto the electrostatic latent image on the surface of the drum to cre- ate a visible image. This printer uses the toner projection development method with a single- component toner.

Step 3 Development

Stirring

Blade

Photo- sensitive drum

AC bias

Developing cylinder

Cylinder

 

Magnet

DC bias

 

Figure 2-4-8

Note: Charges on the exposed area of the photosensitive drum are shown as positive in this figure. In actuality they are negative, but they are more positive than those on the devel- oping cylinder.

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Image 77
Canon 3260 manual Scanning exposure, Development stage