Process cartridge and image forming apparatus including the same

摘要

A process cartridge includes a first cartridge and second cartridge. The first cartridge includes a first wall having a first opening, a first shutter configured to open and close the first opening, and a first operating portion configured to operate together with the first shutter. The second cartridge is mountable onto and demountable from the first cartridge and contains a developer. The second cartridge includes a second wall facing the first wall and having a second opening corresponding to the first opening, a second shutter configured to open and close the second opening, and a second operating position configured to operate together with the second shutter. The first cartridge further includes a third operating portion. When the second cartridge is mounted into the first cartridge, the first operating portion and the third operating portion operate together through the second operating portion.

主权项

1. A process cartridge comprising:
a first cartridge comprising:
a developer container configured to contain developer and including an output port wall where an opening is open, the developer being to be conveyed from the developer container through the opening; and a second cartridge comprising:
a developing roller configured to develop a developer image on a photosensitive drum and including a first shaft;a supply roller configured to supply the developer to the developer roller and including a second shaft;a case having an input port through which the developer is to be supplied from the opening of the first cartridge, the case being configured to rotatably support the first shaft of the developing roller and the second shaft of the supply roller;a protrusion protruding from the case;a frame on which the first cartridge is configured to be mounted, the frame comprising a side frame configured to rotatably support the photosensitive drum and having a first hole in which the protrusion is slidably inserted; anda guide extending horizontally and configured to guide the first cartridge, wherein the first cartridge and the second cartridge are arranged along a direction in which the guide extends and the input port opens downward at a position upper than the guide.