Electrophotography – Diagnostics – Component present or mounted
Patent
1997-12-03
1999-04-06
Pendegrass, Joan
Electrophotography
Diagnostics
Component present or mounted
399 27, G03G 1500, G03G 1508
Patent
active
058930078
ABSTRACT:
A combination developer unit and toner level detection device increases the efficiency of manufacturing an electrophotographic apparatus and correspondingly lowers the cost of production. This device employs a spring biased actuator in combination with a magnet and optical sensors to provide the functions of two detection devices in a single detection device.
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patent: 5095331 (1992-03-01), Takano
patent: 5428427 (1995-06-01), Lee
patent: 5436704 (1995-07-01), Moon
patent: 5784665 (1998-07-01), Bae
Bushnell Esq. Robert E.
Pendegrass Joan
Samsung Electronics Co,. Ltd.
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