Figure 1-12 Image-formation components Cartridge Photosensitive drum Drum motor Primary charging roller Fuser motor Fuser film Developing roller Transfer roller Pressure roller Fuser DC controller Image-formation process The image-formation process consists of seven steps divided into five functional blocks: ● Latent-image-formation system ◦ Step 1: Primary charging ◦ Step 2: Laser-beam exposure ● Developing system ◦ Step 3: Developing ● Transfer system ◦ Step 4: Transfer ◦ Step 5: Separation ENWW Image-formation system 23