2J5
2-1-7
2-1-4 Developing section
(1) Developer unit
The developing section consists of the developer unit and the toner container. The developer unit consists of the develop-
ing roller where a magnetic brush is formed, the doctor blade and the agitator A and B that agitate the toner. Also, the
toner sensor checks whether or not toner remains in the developer unit.
Figure 2-1-11Developer unit
Figure 2-1-12Developing section block diagram
(1) Developing blade
(2) Blade magnet
(3) Developing roller
(4) Developer case
(5) Agitator A
(6) Agitator B
(7) Toner container
(8) Developer lid
(9) Sleeve cover
Engine PWB
Connect-R
PWB
Drum
motor
Toner
sensor
Toner
motor
Developing
roller
Developing bias
Developer
solenoid
Connect-L
PWB
Developer
PWB
Developer unit
TB1
3
4
5
YC11-3
YC11-4
YC11-5
YC503-9
YC503-10
YC502-2
DMOTRDYN
DMOTCLK
DMOTONN
TNMOT
TNLEVEL
DLPDRN
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