Image-formation process
The image formation system is the central hub of the product. It also forms the toner image on the
media.
Figure 1-14 Image-formation system
High-voltage power supply circuit
Power supply unit
Laser beam
VIDEO signal
Laser/scanner unit
Fuser sleeve
Photosensitive drum
Transfer roller
DC controller
Pressure roller
To primary charging roller
To developing cylinder
Cartridge
Formatter
TB21
TB20
TB504 T503 TB502
The image-formation process contains eight steps divided among five functional blocks:
●
Block 1: Latent image formation
Step 1: Primary charging
Step 2: Laser-beam exposure
●
Block 2: Developing
Step 3: Developing
●
Block 3: Transfer
ENWW
Image-formation system
21
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