| abstract |
A toner including a binder resin, and a release agent, wherein the following relationships are satisfied: n n2 μm≦D4≦4 μm (a) n n0.05 μm≦Dw≦0.3 μm (b) n n Dw ≦0.075× D 4 (c) n n F ≦−40× Dw +19 (d) n n F ≦20× Dw +5 (e) n nwherein D 4 is a weight-average particle diameter of the toner, Dw is an average dispersion diameter of the release agent and F is a pulverizability index of the toner. |