The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 15, 2022
Filed:
Sep. 09, 2020
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Satoshi Kinouchi, Tokyo, JP;
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image forming apparatus includes a fixing device having a fixing belt assembly including a heater, a fixing belt, a heater temperature sensor, and a belt temperature sensor, and a pressure roller; a drive current sensor; and a life information acquisition portion. The heater temperature sensor detects the temperature of the heater. The belt temperature sensor detects the temperature of the fixing belt. The pressure roller presses against the fixing belt. The drive current sensor detects a drive current of a drive motor that drives the pressure roller. The life information acquisition portion acquires life information of the fixing belt assembly. A controller selects a failure prediction processing mode based on the detection result of the drive current sensor and selects a driving method based on the detection results of the temperature sensors and the acquisition result of the life information acquisition portion in each mode.