DEVELOPING UNIT
2-G-1
2 UNIT EXPLANATION
DEVELOPING UNIT
[1] Composition
[2] Mechanisms
1. Developing drive
The developing motor (M3) drives the following
parts via the gear unit at the back:
• Developing sleeve
• Agitator wheel
• Agitator screws
2. Flow of developer
The developer inside the developing unit is sup-
plied to the developing sleeve by the agitator
wheel, and maintained at a constant thickness by
the developer regulation plate (bristle height reg-
ulation plate). The developer remaining on the
developing sleeve is returned to the agitator
screws.
Splash prevention
sheet (upper)
Developing
regulation plate
Developing
sleeve
Agitator
wheel Agitator
screws
Developing unit cover
Agitator screws
Developing sleeve
Developing
regulation plate
Mechanism Method
Developing 2-component developer
Developing bias DC bias
Developer
agitation
Main agitator
Auxiliary agitator
Splash prevention sheet (upper)
Developing
regulation plate
Developing
sleeve
Agitator
wheel Agitator
screws
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