Oki Data CONFIDENTIAL
42930511TH Rev. 2 46 /
Projection Agitation barAgitation gear
2.10 Toner Low Detection
• Structure
This device consists of a constant speed rotating agitation gear andagitation bar.
• Detection
The minimum height length of stay (OFF time) of a target board which attached the toner
low level state in the end of a churning bar is measured and detected by the sensor.
OFF time (minimum height) ON time (maximum height)
Agitation bar
Target board
Sensor
The light which emitted light by the
sensor reflects with a target board, and
received light by the sensor. Therefore,
the minimum height length of stay is
detectable.
The light which emitted light by the
sensor does not reflect with a target
board, and does not received light by
the sensor.
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