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Chapter 2
Laser/scanner
unit
VDO4, /VDO4
VDO3, /VDO3
VDO2, /VDO2
VDO1, /VDO1
Video
controller
2.4.1.2 Image Formation Process
LBP5000 / LBP5100
The processes associated with the formation and printing of images are as follows:
The machine's printing processes may broadly be divided into the following 5 blocks (7 steps) during which a toner image is drawn on print paper as follows:
1. Electrostatic latent image formation block
Form an electrostatic latent image on the photosensitive drum.
Step 1:Primary charging
Step 2:Laser beam exposure
2. Developing block
Make the electrostatic latent image on the photosensitive drum surface visible by applying toner.
Step 3:Development
3. Transfer block
Transfer a toner image on the photosensitive drum onto paper.
2-8
Photosensitive drum
Laser beam
Primary charging
roller
Memory controller PCB
Print command
DC controller PCB
Video signal
Fixing pressure roller
Transfer roller
Bk
Y
C
M
Developing cylinder
Memory tag
F-2-8
ETB
High-voltage power
supply PCB
0010-6055
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