| abstract |
PROBLEM TO BE SOLVED: To provide a toner capable of stably obtaining a high-quality image by improving a high-temperature offset resistance in addition to a low-temperature fixing property and an OHP image transparency. SOLUTION: The toner particles have a binder resin, a colorant, an organometallic compound and a wax, and the toner has an external additive. The wax has a DSC endothermic temperature of 30 to 160. The maximum endothermic peak at 81 ° C. is 81 to 130 ° C., the half width of the maximum endothermic peak is 2 to 15 ° C., the binder resin component is a polyester resin as a main component, and the toner has a dynamic elastic modulus at 140 ° C. of 100. １００100,000 dN / m 2 , the ratio of dynamic elastic modulus at 140 ° C. and 170 ° C. is 0.05 In Soxhlet extraction of a toner using tetrahydrofuran (THF) as a solvent, the THF-insoluble content A of the binder resin component at 8 hours after the start of the extraction is 1 0 to 20% by mass, THF-insoluble matter B at 24 hours Is 1 to 10% by mass, and the ratio between THF-insoluble components A and B is 0.1 to 0.8. |