| abstract |
PROBLEM TO BE SOLVED: To obtain a toner having a stable chargeability and fluidity of a toner, a two-component developer, and a high-quality image free from dirt such as a ground cover over a long period of time even in long-term use in a developing device. An image forming apparatus is provided. SOLUTION: At least a binder resin, a colorant, and a release agent are contained, and the average circularity is in the range of 0.940 to 0.965, and in the range of 0.02 to 0.1 μm from the toner surface. The toner has a deep recess, and more external additives than the average are added to the recess. [Selection] Figure 3 |