Epson AcuLaser C9200N Service Manual page 65

EPSON AcuLaser C9200N
WASTE TONER NEAR-FULL/FULL DETECTION CONTROL
Waste Toner Detection Mechanism
To prevent false detection, an Agitation Screw is mounted in the Waste
Toner Collector so that the waste toner is accumulated in the bottle
evenly.
The Waste Toner Full Sensor (PC8) detects the area where the visor A
mounted on the shaft of the Toner Conveying Screw overlaps with the
visor B. (As the amount of the waste toner increases, the load for the
screw to rotate will increase. The period of time the Light Shield Plate
blocks the Waste Toner Full Sensor (PC8) will then become shorter).
Waste Toner Collector
Light Shield Plate A
Light Shield Plate B
Waste Toner Full Sensor (PC8)
Figure 2-47. Waste Toner Detection Mechanism 1
OPERATING PRINCIPLES
Agitator Screw
4038T2C174AA
Torsion Coil Spring
4038T2C175AA
Operating Principle of Main Unit Mechanism
Light Shield Plate A
Waste Toner Full Sensor (PC8)
Waste Toner Empty
4038T2C177AA
Figure 2-48. Waste Toner Detection Mechanism 2
Revision D
4038T2C116AA
Light Shield Plate B
4038T2C176AA
Waste Toner Full
4038T2C178AA
Confidential
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