Patent ID: 8666273

Claim:
An image heating device comprising: a rotatable member; an opposing member configured to form a nip, between itself and said rotatable member, in which recording paper on which an image is carried is to be nip-conveyed and heated; external heating means for heating said rotatable member in contact with an outer surface of said rotatable member, wherein said external heating means includes a belt, a first supporting roller configured to stretch the belt at an upstream side of said rotatable member with respect to a rotational direction of said rotatable member, a second supporting roller provided downstream of the first supporting roller, first heating means for heating the first supporting roller so that the temperature of the first supporting roller is a first target temperature, and second heating means for heating the second supporting roller so that the temperature of the second supporting roller is a second target temperature; heating control means for controlling said external heating means; and an executing portion configured to execute an operation in a control mode in which the second target temperature is set so as to be lower than the first target temperature.