Locking apparatus for toner cartridge

Details Locking apparatus for toner cartridge Locking apparatus for toner cartridge

1993-12-21

1995-07-04

Grimley, A. T.

Photocopying

Contact printing

Light boxes

222DIG1, G03G 1506

Patent

active

054305314

ABSTRACT:
When a developer supply cartridge is set at a predetermined position for discharging a developer into a developing device on a cartridge holding portion of the developing device, the developer supply cartridge is locked by a locking member so as to be detached from the predetermined position. When a sensor has detected that the amount of the developer remaining within the developing device has been reduced to an amount equal to or less than a predetermined amount, the locking is released in response to a signal from the sensor.

REFERENCES:
patent: Re34344 (1993-08-01), Sakato et al.
patent: 4981218 (1991-01-01), Ban et al.
patent: 5115275 (1992-05-01), Suzuki
patent: 5184181 (1993-02-01), Kurando et al.
patent: 5196884 (1993-03-01), Sugiyama et al.
patent: 5289243 (1994-02-01), Sakamoto

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