Cover Open; Toner Low Detection - Sharp AR-C360P Service Manual

2.10 Toner Low Detection

• Structure
This device consists of a constant speed rotating agitation gear and agitation bar.
Agitation gear
• 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)
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.
Rev. 1
Projection
Target board
Agitation bar
Agitation bar
ON time (maximum height)
Sensor
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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