Image heating device and image forming apparatus

In an image heating device, a plurality of count values representing a heat storage amount in each of a plurality of heating regions heated by a plurality of heating elements are acquired, and electric power for the heating elements is controlled so that a difference between a heat storage maximum c...

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Hauptverfasser: Sako, Masato, Uchiyama, Takahiro, Yonekubo, Hideaki
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creator Sako, Masato
Uchiyama, Takahiro
Yonekubo, Hideaki
description In an image heating device, a plurality of count values representing a heat storage amount in each of a plurality of heating regions heated by a plurality of heating elements are acquired, and electric power for the heating elements is controlled so that a difference between a heat storage maximum count value representing the heat storage amount of the heating region in which the heat storage amount is the largest among the plurality of heating regions, and a heat storage reduction count value representing the heat storage amount of a heat storage reduction region that is a heating region having a smaller heat storage amount than the heating region having the maximum heat storage amount, is maintained within a range of a predetermined value; and the predetermined value is set based on a width of the heat storage reduction region of a recording material.
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subjects CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
title Image heating device and image forming apparatus
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