Method for producing liquid developer

A method for producing a liquid developer containing an insulating liquid carrier, a toner particle dispersing agent, and a toner particle that contains a polyester resin A and a polyester resin B, the method comprising the following process A or process B:

• the process A having
• a step of particulating a mixture of the polyester resin A, the polyester resin B, and the toner particle dispersing agent in a liquid a by applying a shear force to the mixture, and
• a step of producing a toner particle in the liquid a via a molten state;
• and
• the process B having
• a step of dissolving, in a solvent b, a mixture of the polyester resin A, the polyester resin B, and the toner particle dispersing agent,
• a step of mixing the resulting solution with the liquid a and applying a shear force to particulate the mixture in the liquid a and provide a toner particle, and
• a step of distillatively removing the solvent b, wherein
• the liquid a dissolves the toner particle dispersing agent and does not dissolve the polyester resin A and does not dissolve the polyester resin B,
• the polyester resin A has a number-average molecular weight from 3,000 to 7,000,
• the polyester resin A has an acid value of at least 5 mg KOH/g,
• the polyester resin A has, as an acidic group, a carboxy group deriving from trimellitic acid and/or trimellitic anhydride,
• the polyester resin B has a number-average molecular weight from 4,000 to 20,000,
• the polyester resin B has an acid value of not more than 2 mg KOH/g,
• the toner particle dispersing agent has a primary amino group,
• the toner particle dispersing agent has an amine value of at least 40 mg KOH/g,
• a mass ratio (B/(A+B)) of the polyester resin B to a sum of the polyester resin A and the polyester resin B is from 0.3 to 0.9, and
• an SP value of the liquid a, an SP value of the polyester resin B, and an SP value of the toner particle dispersing agent satisfy the following relationship:
• SP value of liquid a<SP value of toner particle dispersing agent<SP value of polyester resin B.