Patent ID: 8272732

Claim:
An image forming method comprising: applying a treatment liquid onto a recording medium that has a coated layer and has an area of 1,250 cm 2 or more, applying an ink composition including a pigment and resin particles having a glass transition temperature (Tg) of 100° C. or higher onto the recording medium onto which the treatment liquid has been applied and which is conveyed at a conveyance speed of 200 mm/s or higher, heating and drying the applied treatment liquid and ink composition, cooling the recording medium that has been subjected to the heating and drying, to a temperature of 35° C. or lower, and accumulating the recording medium that has been subjected to the cooling, into an accumulation unit, wherein in accumulating the recording medium, blowing is carried out in the accumulation unit, where the recording media are accumulated, at least from a direction which intersects the accumulation direction of the recording media, to supply gas between the recording media accumulated in the accumulation unit, and in accumulating the recording medium, the quantity of gas that passes through, per one sheet of the recording medium and per unit length in the width direction of the recording medium when seen from a side from which the supplied gas is supplied, is 0.02 m 3 ·min −1 ·m −1 or more.