Electrophotography – Control of electrophotography process – Having temperature or humidity detection
Reexamination Certificate
2008-09-19
2011-11-01
Porta, David (Department: 2884)
Electrophotography
Control of electrophotography process
Having temperature or humidity detection
Reexamination Certificate
active
08050578
ABSTRACT:
An image forming apparatus is supplied that can obtain a correct temperature inside an image forming section and can perform an optimum temperature control so that it is possible to prevent remainder toner on the surface of the image carrying body from solidifying. In the image forming apparatus, in order to heat and fix toner image onto print medium, an image forming section forms the toner image on surface of an image carrying body; a conveying section conveys the print medium; a transferring section transfers the toner image on the image carrying body onto the print medium conveyed by the conveying section; a fixing section heats and fixes the toner image transferred on the print medium; a fixing section temperature detection section detects a temperature of the fixing section; an apparatus controlling section controls the temperature of the fixing section on the basis of a detection result of the fixing section temperature detection section; and an inner temperature detection section detects an image forming apparatus inner temperature, wherein the inner temperature detection section is set up in a location outside the image forming section, where temperature changes due to a heat influence from the fixing section as that a toner accommodating portion inside the image forming section has the same heat influence, and the apparatus controlling section sets a temperature setting value of the fixing section on the basis of a detection result of the inner temperature detection section.
REFERENCES:
patent: 6006051 (1999-12-01), Tomita et al.
patent: 6389247 (2002-05-01), Chung
patent: 6390696 (2002-05-01), Concannon
patent: 2004/0165897 (2004-08-01), Hooper et al.
patent: 08-123274 (1996-05-01), None
Igyarto Carolyn
Oki Data Corporation
Panitch Schwarze Belisario & Nadel LLP
Porta David
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