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FO-4500H
10. DEVELOPMENT
Toner is applied to the invisible static image on the PC Drum and a
toner image is created on the surface.
The development is the process of creating a toner image on the PC
Drum by applying toner onto the invisible static electricity image.
8
6
5
7
Part Name
1. Toner Hopper
2. Toner Agitating Screw
3. Toner Transport Roller
4. Doctor Blade
5. Sleeve Roller
6. Resin Sleeve
7. Bias Seal
8. PC Drum
4
7
V (Developing Bias)
B
V
(Toner Blade Bias)
BL
4
3
V (Lower Seal Bias)
S
Contains toner.
Agitates the toner in the Toner Hopper and sends the toner to the Toner Transport Roller.
Transports the toner to the Sleeve Roller.
Spreads a thin, even coat of toner over the Resin Sleeve. The toner is negatively charged when passing
between this Blade and the Resin Sleeve.
Rotates the Resin Sleeve.
Carries the toner to the PC Drum surface for development.
Carries the toner remaining on the Resin Sleeve and neutralizes charge.
Exposed to laser to create an invisible image and rotates to carry the developed image to the paper surface.
V
terminal
BL
(DC-550V)
2
PWB-F
1
Fig. 11
Function
3 – 7
V terminal
B
(DC-330V)
V terminal
S
(DC-287V)
PWB-A
CN4
8
1
1
8
CN1
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