Patent ID: 9052635
Filing Date: 2015-06-09
Classification: G03G

Abstract:
1. An image forming apparatus, comprising: a first developing portion retaining first developer containing a metal oxide in a first binder resin thereof; and a second developing portion retaining second developer containing no metal oxide in a second binder resin thereof, wherein said first developing portion includes a first developer supporting member for supplying the first developer to a first image supporting member that supports a first static latent image to develop the first static latent image, said first developing portion further includes a first layer regulating member arranged to contact with a surface of the first developer supporting member and regulate a layer of the first developer, said second developing portion includes a second developer supporting member for supplying the second developer to a second image supporting member that supports a second static latent image to develop the second static latent image, said second developing portion further includes a second layer regulating member arranged to contact with a surface of the second developer supporting member and regulate a layer of the second developer, and said first layer regulating member is configured to apply a pressure to the first developer supporting member smaller than that of the second layer regulating member applied to the second developer supporting member.