| abstract |
PROBLEM TO BE SOLVED: To provide a dry toner capable of obtaining a high-quality image with excellent transfer efficiency and little transfer residual toner. SOLUTION: In a dry toner containing at least a binder resin composed of a modified polyester resin, a colorant and a release agent, the modified polyester resin capable of reacting with active hydrogen, the colorant and the release agent are dispersed in an aqueous medium. A toner obtained by dispersing in the presence of an agent and removing the solvent from the dispersion obtained by reacting the obtained dispersion with a crosslinking agent and an extender, and the shape of the toner is spindle-shaped. A dry toner having a shape factor SF-1 of 140 to 200. [Selection figure] None |