TONER FOR HEAT FIXATION, IMAGE FORMING METHOD AND IMAGE FORMING DEVICE

PROBLEM TO BE SOLVED: To provide a toner for heat fixation which ensures a wide fixable temperature range in the heat fixation of a toner image, has satisfactory fixing strength even when heating temperature is lowered to about 130 deg.C, does not cause offsetting and the generation of image dirt, and stably gives a high-grade fixed image and to provide an image forming method and an image forming device each using the toner. SOLUTION: The toner for heat fixation contains at least a charge controlling agent, a colorant, a releasing agent and a bonding resin. The charge controlling agent has a structure of the formula and the releasing agent. comprises an ester component and its acid component and has