Table of Contents
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DEVELOPING UNIT
[1] Composition
4
1.
Developing unit cover
2.
Developing regulation plate
3.
Developing sleeve
4.
Agitator screws
5.
Splash prevention sheet (upper)
[2] Mechanisms
Mechanism
Developing
2-component developer
Developing bias
DC bias
Developer
Main agitator
agitation
Auxiliary agitator
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.
1
3
2
Method
2-G-1
5
9
8
6.
Developing regulation plate
7.
Agitator screws
8.
Agitator wheel
9.
Developing sleeve
1
5
4
1.
Splash prevention sheet (upper)
2.
Developing regulation plate
3.
Agitator screws
4.
Agitator wheel
5.
Developing sleeve
DEVELOPING UNIT
6
7
2
3
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