Canon 3260 manual Printing Process, Electrostatic latent image formation stage Primary charge

CHAPTER 2

B. Printing Process

A major portion of the image formation system is contained with a cartridge as shown in Figure 2-4-2.

Laser beam Cartridge

Primary charging roller	Blade
Cleaning blade	Developing cylinder
Photosensitive drum
	Transfer charging roller
	Static charge eliminator

Figure 2-4-2

This printer’s cartridge has a seamless photosensitive drum with a two-layer surface shown in Figure 2-4-3.

The outer layer of the drum consists of an organic photoconductor (OPC) and the base is alu- minum.

Photoconductive layer

Base

Figure 2-4-3

The printing process can be divided into five major stages.

1.Electrostatic latent image formation stage Step 1 Primary charge (-)

Step 2 Scanning exposure

2.Developing stage

Step 3 Development

3.Transfer stage Step 4 Transfer (+) Step 5 Separation

4.Fixing stage Step 6 Fixing

Step 7 Fixing roller cleaning

2 - 34