Patent ID: 7452654

Claim:
A toner production method comprising the steps of: coalescing resinous particles from a water based medium of a resinous particle dispersion to form toner particles in a coalescing region of a toner channel, the coalescing region having at least two temperature coalescing zones, each of the temperature coalescing zones positioned serially along a flow direction of the toner channel in the coalescing region; shape-controlling of the toner particles in the water based medium in a shape-controlling region of the toner channel, the shape-controlling region downstream of the coalescing region in the toner channel, the shape-controlling region having at least two temperature shape-controlling zones, each of the temperature shape-controlling zones positioned serially along the flow direction of the toner channel in the shape-controlling region; and temperature-controlling each of the temperature coalescing zones and each of the temperature shape-controlling zones independently with a temperature controller.