Patent ID: 7155151

Claim:
A developing device comprising: a developer carrier for carrying a developer, including an opposing region that opposes a latent image-carryable region on an image carrier, and a solid portion that is solid at an end portion of the developer carrier in a longitudinal direction thereof, wherein the developing device develops a latent image carried in the latent image-carryable region with the developer carried on the developer carrier, and an end of the solid portion, which is on a side of a center of the developer carrier in the longitudinal direction, is located closer to the center of the developer carrier than an edge of the opposing region; wherein the developing device develops the latent image carried in the latent image-carryable region with the developer carried on the developer carrier, in a state that the developer carrier and the image carrier are not in contact with each other, and a deflection amount of the developer carrier at an end portion of the developer carrier in a longitudinal direction thereof is smaller than a deflection amount at a center of the developer carrier in the longitudinal direction.