Toner cartridge for an image forming apparatus

Details Toner cartridge for an image forming apparatus Toner cartridge for an image forming apparatus

1990-08-17

1992-06-16

Moses, R. L.

Photocopying

Contact printing

Light boxes

355205, 118653, 222DIG1, G03G 1508

Patent

active

051228378

ABSTRACT:
A structure of a toner cartridge removably mounted on a developing unit of an image forming apparatus. Once a toner end mode is set due to the exhaustion of toner which is accommodated in the toner cartridge, it is prevented from being reset unless the empty cartridge is replaced with a full toner cartridge. The toner cartridge has a member capable of resetting a toner and mode only when the cartridge is loaded in a cartridge container for the first time. This member is sensed by a sensor when the toner cartridge is inserted in the cartridge container. After the toner cartridge is inserted in the cartridge container the member along with a seal are removed from the toner. This member is sensed by a sensor when the toner cartridge is inserted in the cartridge container. After the toner cartridge is inserted in the cartridge container the member along with a seal are removed from the toner cartridge.

REFERENCES:
patent: 4523834 (1985-06-01), Pelda
patent: 4688926 (1987-08-01), Manno
patent: 4732277 (1988-03-01), Smith
patent: 4778086 (1988-10-01), Shibata et al.
patent: 4870463 (1989-09-01), Miyoshi et al.

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