Patent ID: 7912408

Claim:
An image forming apparatus, comprising: a development device for supplying a developer to an electrostatic latent image carrying member configured to carry thereon an electrostatic latent image, the developer including toner and carrier; and a process cartridge configured to incorporate the electrostatic latent image carrying member and the development device, wherein the development device includes: a conveyance path for charging and conveying the developer, the conveyance path including an internal space divided by a dividing wall into at least a first area and a second area, and a developer carrying member, wherein the first area of the internal space is undivided and includes: a first conveyance member for receiving replenished toner and generating conveyance force for conveying the replenished toner and the developer in a first conveyance direction, and a second conveyance member for generating conveyance force for conveying a portion of the developer conveyed by the first conveyance member in a direction opposite to the first conveyance direction of the first conveyance member, and wherein the developer carrying member is configured to develop the electrostatic latent image on the electrostatic latent image carrying member into a toner image using the developer conveyed through the conveyance path.