Developing Unit; Composition; Mechanisms - Minolta Di850 Service Manual

DEVELOPING UNIT

[1] Composition

Developing sleeve

[2] Mechanisms

Mechanism
Developing 2-component developer
Developing bias DC bias
Developer Main agitator
agitation Auxiliary agitator
1. The developing unit drive 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 developing regulation plate (bristle height
regulation plate). The developer remaining on
the developing sleeve is returned to the agitator
screws.
Developing unit cover
Splash prevention
sheet (upper)
Method
2-G-1
DEVELOPING UNIT
Developing regulation plate
Developing
Agitator
sleeve
wheel
Drum
Developing regulation plate
Agitator wheel
Agitator screw
Agitator screws