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ENWW Developing unit 63
MFP unit explanation
Developing unit
Composition
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 supplied to the developing sleeve by the
agitator wheel, and maintained at a
constant thickness by the developer
regulation plate (bristle height regulation
plate). The developer remaining on the
developing sleeve is returned to the
agitator screws.
M3 (developing) control
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
PRCB
DCPS
24V2
P.GND
MS1 MS2
M3
5V
P.GND
DEVM CONT
DEVM CLK
DEVM CW/CCW
DEVM GAIN
DEVM EM