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1. (WO2017034042) IMAGE HEATING DEVICE

Pub. No.:    WO/2017/034042    International Application No.:    PCT/JP2016/075736
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Sat Aug 27 01:59:59 CEST 2016
IPC: G03G 15/20
Applicants: CANON KABUSHIKI KAISHA
キヤノン株式会社
Inventors: KAWAI Hiroki
河合 宏樹
Title: IMAGE HEATING DEVICE
Abstract:
This image heating device comprises: an endless belt for heating a toner image on a sheet; a first detector for detecting a temperature at one end of the endless belt along the longitudinal direction; a second detector for detecting a temperature at the other end of the endless belt along the longitudinal direction; and a control unit for controlling whether or not to issue an alert regarding the occurrence of an error on the basis of amount of change per unit time in the detected temperature difference of the first detector and the second detector.