| abstract |
[Problem] To provide a toner or the like that achieves both excellent low-temperature fixability and heat-resistant storage stability and provides high image quality. The fixing assistant is a crystalline organic compound having a melting point of 50 to 150 ° C., and the endothermic amount of the melting peak derived from the fixing assistant at the first temperature rise when the toner is subjected to DSC measurement is defined as Q1; Assuming that the endothermic amount of the melting peak derived from the fixing assistant at the second temperature increase is Q2, the following equation, 0 ≦ (Q2 / Q1) ≦ 0.30 is satisfied, and the resin rises when the DSC measurement of the resin is performed. The Tg at the first temperature is Tg1r, the Tg at the second temperature rise of the resin is Tg2r, and when the DSC measurement of the toner containing the resin is performed, the Tg derived from the resin at the first temperature rise of the toner is Tg1t. When Tg derived from the resin at the second temperature rise is Tg2t, the toner satisfies the following formulas (1) and (2), and further satisfies Tg2r−Tg2t ≧ 10 (° C.) and Tg1r−Tg1t <5 (° C.). . Tg2r> Tg2t (1) Tg1t-Tg2t> Tg1r-Tg2r (2) [Selection figure] None |