Developing apparatus and developer cartridge

A developing apparatus comprising:

• a developing frame providing a developing chamber, a conveyance chamber, and a storing chamber configured to store a developer fed into the developing chamber, the storing chamber including a top and a bottom;
• a developing roller accommodated in the developing chamber, the developing roller configured to carry the developer;
• a feed roller accommodated in the developing chamber and configured to feed the developer to the developing roller;
• a first agitating member accommodated in the storing chamber and configured to agitate the developer by rotating in a prescribed rotational direction;
• an accommodation chamber frame physically separable from the developing frame and internally providing a developer accommodation chamber configured to accommodate a developer to be fed into the storing chamber;
• a second agitating member accommodated in the developer accommodation chamber and configured to agitate the developer in the developer accommodation chamber;
• a wall portion defining the conveyance chamber and provided between the storing chamber and the developer accommodation chamber and formed with an opening to face the storing chamber at a position above an upper end portion of the feed roller, wherein the opening is disposed below the top of the storing chamber;
• and
• a conveyance member disposed in the conveyance chamber between the opening of the wall portion and the developer accommodation chamber along a path in which toner is fed from the developer accommodation chamber to the storing chamber, wherein the conveyance member is configured to convey the developer in an axial direction of the developing roller.