Image-formation system

Electrophotographic process

The electrophotographic process forms an image on the paper. Following are the major components used in the process:

Print cartridge

Transfer roller

Fuser

Laser/scanner

The DC controller uses the laser/scanner and HVPS to form the toner image on the photosensitive drum. The image is transferred to the print media and then fused onto the paper.

Figure 1-16Electrophotographic process block diagram

Laser beam

Cartridge

Laser scanner

Fuser

Transfer roller

High-voltage power supply

DC controller Engine controller unit

26 Chapter 1 Theory of operation

ENWW