Patent ID: 9158226
Filing Date: 2015-10-13
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a first image forming unit that includes a first image holding member and a first developing unit that develops an electrostatic charge image formed on a surface of the first image holding member; and a second image forming unit that includes a second image holding member and a second developing unit that develops an electrostatic charge image formed on a surface of the second image holding member, wherein the first image forming unit is arranged on a downstream side of the second image forming unit in a traveling direction of a transfer medium, the first developing unit contains a first developer containing a first toner and a first carrier, the second developing unit contains a second developer containing a second toner and a second carrier, wherein a ratio of a resistance value of the first carrier to a resistance value of the second carrier is within a range of from 4.0×10