Image heating apparatus and heater for heating image

Abstract

The present invention relates to an image heating apparatus in which a heater being controlled by an output from a temperature detecting element to obtain a predetermined temperature and an image on a recording material being heated by heat from the heater via a film, the heater having a first heating member disposed along a longitudinal direction of a base material and heated by energizing and a second heating member shorter than the first heating member, the first heating member being disposed on an upstream side of the second heating member with respect to a moving direction of the recording material, and when a first size recording material is heated, the first heating member being energized and the second heating member being not energized, when a second size recording material smaller than the first size recording material is heated, the first heating member and the second heating member being energized.

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