Process cartridge usable with an image forming apparatus and...

Details Process cartridge usable with an image forming apparatus and... Process cartridge usable with an image forming apparatus and...

2008-07-08

2008-07-08

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Development

C399S258000, C399S262000

Reexamination Certificate

active

07398037

ABSTRACT:
A process cartridge usable with an image forming apparatus includes a developing cartridge including a toner inlet and a shutter to open and close the toner inlet, and a toner cartridge detachably mounted to the developing cartridge and including a toner supply port to correspond with the toner inlet when connected with the developing cartridge. The shutter may be moved in a direction in which the toner cartridge is connected when the toner cartridge is connected to the developing cartridge, thereby opening the toner inlet, and the shutter may be moved in a direction in which the toner cartridge is detached when the toner cartridge is separated from the developing cartridge, thereby closing the toner inlet. Accordingly, when the toner cartridge is separated from the developing cartridge, the toner inlet of the developing cartridge is closed, thereby preventing leakage of toner through the toner inlet.

REFERENCES:
patent: 5828935 (1998-10-01), Totsumi et al.
patent: 6564029 (2003-05-01), Kojima et al.
patent: 02-79063 (1990-03-01), None
patent: 06-95505 (1994-04-01), None
patent: 1998-42169 (1998-08-01), None
patent: 2000-63032 (2000-10-01), None
patent: 2004-28551 (2004-04-01), None
Korean Office Action dated Feb. 15, 2006 issued in KR 2004-74332.

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