| 摘要 |
PROBLEM TO BE SOLVED: To provide a toner with high durability that has excellent transferability in high-speed full-color image formation as well as excellent cleanability, storability, and image density and the like even in long period of use; a process cartridge using the toner; and an image forming apparatus.SOLUTION: A toner contains toner base particles containing at least a binder resin and a mold release agent, and at least an external additive. The external additive contains non-spherical adhered particles 3 formed by primary particles 4 adhering to each other, and satisfies the following formula (1). |
