Process cartridge, developer supply cartridge and...

Details Process cartridge, developer supply cartridge and... Process cartridge, developer supply cartridge and...

2009-05-18

2010-12-07

Lee, Susan S (Department: 2884)

Electrophotography

Image formation

Development

C399S260000

Reexamination Certificate

active

07848684

ABSTRACT:
A developer supply cartridge supplies a developer into a process cartridge, and is detachably mountable to a main assembly of an electrophotographic image forming apparatus. The process cartridge includes a drum, a developing roller, a receiving-side shutter portion opening and closing a developer receiving opening, a receiving-side movable portion to move the receiving-side shutter portion, and a regulating member for regulating movement of the receiving-side movable portion. The developer supply cartridge includes a supplying-side developer accommodating portion, a developer supply opening supplying the developer from the supplying-side developer accommodating portion into the process cartridge through the developer receiving opening, a supplying-side shutter portion opening and closing the developer supply opening, and a supplying-side movable portion to open the supplying-side shutter portion when the developer supply cartridge enters the main assembly and the process cartridge is set in the main assembly, by engagement with the receiving-side movable portion.

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