| abstract |
(57) [Problem] To provide a toner which is resistant to thermal stress and mechanical stress to the toner, has low carrier contamination to the toner, and can obtain a high quality stable image. SOLUTION: In an electrophotographic image forming apparatus having a two-component developer composed of a toner in which wax is dispersed and a carrier, and using an oilless fixing system, a developing sleeve speed of a developing unit is 360 to 1680 mm / sec. A toner used in an electrophotographic image forming apparatus having a gap of 0.3 to 1.0 mm and a doctor part developer passage amount of 5.0 to 25.0 g / (cm ยท sec), wherein the dynamic friction of the toner is used. A toner having a coefficient of 0.18 to 0.45. |