Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
June 8, 2021
Patent Application Number
16779991
Date Filed
February 3, 2020
Patent Citations
Patent Citations Received
Patent Primary Examiner
Patent abstract
In a fixing apparatus 200 having a heater 300 capable of selectively causing a plurality of heat generating blocks divided in a longitudinal direction of a substrate 305 to generate heat, an energization control portion 400 acquires, when performing a fixing operation, a cumulative amount of heat generation in each of a plurality of heating areas, a cumulative rotation time of a pressure roller 208, and information on a recording material that passes through a fixing nip portion, and controls energization of heat generating elements 302a and 302b on the basis of the acquired information.
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