DEVELOPMENT
B234/B235/B236/D101/D102/D103 6-84 SM
6.12 DEVELOPMENT
6.12.1 OVERVIEW
1. Hopper Filter
2. Hopper Center Filter
3. Toner Hopper Sensor
4. Agitator
5. Toner Supply Roller
6. Upper Development Roller
7. Doctor Blade
8. Separator
9. Toner Transport Coil
10. Cross-mixing Roller
11. TD Sensor
12. Paddle Roller
13. Lower Development Roller
This copier uses a double roller development system and a dual component
development process with toner particles 6.8 μm and developer particles 50 μm. To
improve image quality, the width of the magnetic area on the lower development
roller has been reduced.
This system differs from single roller development systems in that:
• It develops the image in a narrower area
• It develops the image twice
• The relative speed of each development roller against the drum is reduced.
This machine contains a toner recycling system. Toner collected from the drum by
the drum cleaning unit is transported to the toner entrance tank, where it mixes with
fresh toner from the toner bottle.
B234D302.WMF
B234D956.WMF
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