Process cartridge toner supply arrangement

摘要

A process cartridge toner supply arrangement used in a laser printer for controlling supply of toner includes a developing device receiving member (1), having toner receiving openings 11 and a toner accommodating portion, and a replaceable toner supply member (2), having a toner accommodating portion and toner supplying openings (21). A blocking member is provided between the receiving member (1) and the toner supply member (2) and is moveable to close/open the toner passage way between the toner receiving openings 11 and the toner supplying openings 21. In one embodiment, the blocking member comprises slidable cover members covering the toner receiving openings and toner supply openings and in a second embodiment, the blocking member comprises a removable strip of sealing film positioned over the toner receiving openings (11) and the toner supply openings (21).