Waste toner amount detecting apparatus and method, and image...

Details Waste toner amount detecting apparatus and method, and image... Waste toner amount detecting apparatus and method, and image...

2011-08-02

2011-08-02

Tran, Hoan (Department: 2884)

Electrophotography

Diagnostics

Cleaning

Reexamination Certificate

active

07991308

ABSTRACT:
Disclosed are a waste toner amount detecting apparatus and method which can detect whether a waste toner bottle is full of a waste toner using a change in a current of a motor which drives an auger, and an image forming apparatus employing the same. The waste toner amount detecting apparatus is in an image forming apparatus which includes a motor current detector to detect a drive current of a motor which rotates an auger for leveling the waste toner contained in the waste toner bottle; and a controller which includes a determining unit to determine whether the waste toner bottle is full of the waste toner, using a difference between a first current value corresponding to a minimum drive current of the motor and a second current value corresponding to a current drive current of the motor.

REFERENCES:
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patent: 6731885 (2004-05-01), Anthony et al.
patent: 7454148 (2008-11-01), Kameda
patent: 7526217 (2009-04-01), Takiguchi et al.
patent: 2000-066556 (2000-03-01), None
patent: 2005-049528 (2005-02-01), None

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