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41956001TH Rev.1
40 /
Oki Data CONFIDENTIAL
2.10 Toner Low Detection
• Structure
This device consists of the stirring gear which revolves at a constant speed, the stirring bar, and
the magnet on the stirring bar. The stirring bar turns in synchronization with the protrusion of
the stirring gear.
Toner Full Condition
• The stirring bar turns in synchronization with the
stirring gear.
• Since the opposite side is in toner, the stirring bar
turns by the force of the stirring gear even when
the stirring magnet is placed in its highest position.
Toner Low Condition
• The stirring bar reaches its highest position, then
falls to its lowest position under its own weight
because of the absence of toner resistance on the
opposite side. In this situation, bar-magnet con-
tact time becomes long. By measuring the time,
a toner low condition can be detected.
• Detection
A toner low condition is detected by measuring the contact time between the sensor lever magnet
and the stirring bar.
Stirring bar
Link
Stirring gear
Sensor lever A
Toner low sensor
Sensor lever B
Toner cartridge
Stirring bar
Sensor lever A
Toner low sensor
Sensor lever B
Toner cartridge
Stirring bar
Содержание C9500dxn
Страница 48: ...41956001TH Rev 1 48 Oki Data CONFIDENTIAL 3 2 Parts Layout Figure 3 1...
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