Patent ID: 7937030

Claim:
A developing unit comprising: a developer; an image carrier on which an electrostatic latent image is formed; a first developer carrier configured to develop the electrostatic latent image formed on the image carrier by causing the developer to attract to the electrostatic latent image; a first restriction member configured to be in press-contact with the first developer carrier; a second developer carrier configured to abut to the first developer carrier, and to form a developer layer on the second developer carrier; a second restriction member configured to abut to the second developer carrier; and a supplying member configured to supply the second developer carrier with the developer, wherein a moving direction of the first developer carrier and a moving direction of the second developer carrier are the same at a first abutment point, and the moving direction of the second developer carrier and a moving direction of the supplying member are opposite to each other at a second abutment point.