| abstract |
(57) [Problem] To provide a toner having excellent developability, fixing property, offset resistance, blocking resistance, and excellent durability. SOLUTION: The vinyl polymer A containing a carboxyl group, an acid anhydride group or a monoester group thereof, and a vinyl polymer B containing an epoxy group as constituent components, A toner is formed by using a binder resin containing a crosslinked product formed by reacting the united functional groups with each other. |