Epson AcuLaser C9200N Service Manual page 45

EPSON AcuLaser C9200N
2.2.6.2 Operation
PC DRUM CHARGE CORONA ON/OFF CONTROL
The grid voltage (Vg) applied to the Grid Mesh is controlled through the image
stabilization control.
Main Motor (M1) ON
Color PC Drum Motor (M2) ON
Drum Charge Corona Bias Y, M, C
Drum Charge Corona Bias K
Developing Clutch/K (CL4)
Color Developing Motor (M3)
OPERATING PRINCIPLES
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4038T2C024AA
Operating Principle of Main Unit Mechanism
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CLEANING/MAIN ERASE MECHANISM
1. The Cleaning Blade is pressed up against the surface of the PC Drum, scraping
residual toner off the surface (forward blade system).
2. Toner, which has been scraped off the surface of the PC Drum, is fed by the Toner
Collecting Screw back toward to the Conveying Screw in the rear of the machine.
It is then collected in the Waste Toner Collecting Box.
3. The surface of the PC Drum after the image transfer process is irradiated with light
from the Main Erase Lamp. This neutralizes any potential left on the surface of the
PC Drum.
4038T2C030AA
Toner Collecting Screw
Cleaning Blade
Figure 2-17. Cleaning/Main Erase mechanism
Revision D
Cleaning Blade
45
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