Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
November 6, 2007
Patent Application Number
11186960
Date Filed
July 22, 2005
Patent Primary Examiner
Patent abstract
An image forming apparatus has a fixing unit for fixing a toner image formed on a recording material, and a heater, for heating the fixing unit, made of a carbon-based material. In order to detect and expect the life of the heating unit with good accuracy, the image forming apparatus further has a current measuring device for measuring a current passing through the heating unit and a notification device for providing notification of information on a life of the heating unit depending on an output of the current measuring device.
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