Entwicklungseinheit und Entwicklerbehälter.

摘要

A second chamber (20) containing a developer and a first chamber (10) within which a developing roller for applying the developer to an image bearing member is arranged are partitioned by a flexible film (1). The second chamber (20) includes a developer conveying member by which the developer is conveyed into the first chamber through an opening formed in the flexible film (1). The opening is formed by tearing the flexible film (1) by means of a tear tape (2).