Patent ID: 6640061
Filing Date: 2003-10-28
Classification: G03G

Abstract:
In a sensing system for detecting a full condition within a waste developer system, said sensing system comprising: a developer waste container for receiving and holding waste developer material comprising toner and carrier deposited therein from the waste developer system,a sensor assembly mounted exterior to the developer waste container, said sensor assembly including a reed switch being responsive to the level of material in said developer waste container when the developer material in said developer waste container reaches a predetermined level, said sensor assembly further comprises a magnet, adjacent to said reed switch and developer waste container, one pole of said magnet in proximity to the developer material in said developer waste container to operate said reed switch when the developer material reaches said predetermined level, said reed switch has a first and second end, said magnet is positioned so that said first end of the reed switch is midway between the poles of the magnet in which the longitudinal axes of the reed switch and the north-south axis of the magnet are at right angles to each other.