IMAGE FORMING APPARATUS WITH FIXING UNIT INCLUDING ELECTRIC HEATING WIRE HEATER

An image forming apparatus includes a fixing unit that includes a roller and an electric heating wire heater, a current applying circuit that applies electrical current to the electric heater wire heater, a measuring unit electrically connected to the current applying circuit and that measures a val...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Kimura Taku, Kimata Akinori, Kirikubo Seiichi, Aoki Mikiyuki, Tamada Takeshi
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CINEMATOGRAPHY CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY ELECTROGRAPHY ELECTROPHOTOGRAPHY GENERATION HOLOGRAPHY MAGNETOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	An image forming apparatus includes a fixing unit that includes a roller and an electric heating wire heater, a current applying circuit that applies electrical current to the electric heater wire heater, a measuring unit electrically connected to the current applying circuit and that measures a value of electrical current that flows through the electric heating wire heater, and a controller that controls the electrical current that flows through the electric heating wire heater by controlling the current applying circuit based on the electrical current value measured by the measuring unit. The controller controls the electrical current to be less than or equal to an electrical current limit value. A magnitude of the electrical current limit value is linked to a magnitude of stable state electrical current.