Invention Grant
US07809292B2 Image forming apparatus, method, and computer program product, detecting temperature of a fixing unit
有权
图像形成装置，方法和计算机程序产品，检测定影单元的温度
- Patent Title: Image forming apparatus, method, and computer program product, detecting temperature of a fixing unit
- Patent Title (中): 图像形成装置，方法和计算机程序产品，检测定影单元的温度
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Application No.: US12104581Application Date: 2008-04-17
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Publication No.: US07809292B2Publication Date: 2010-10-05
- Inventor: Yasuo Yamaguchi
- Applicant: Yasuo Yamaguchi
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Limited
- Current Assignee: Ricoh Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2007-125411 20070510
- Main IPC: G03G15/20
- IPC: G03G15/20
Abstract:
A temperature detecting unit detects temperature of a fixing unit, and a control unit monitors temperatures detected by the temperature detecting unit. The control unit determines that the temperature detecting unit is abnormal when a first difference in temperatures in a first time period exceeds a first threshold.
Public/Granted literature
- US20080305424A1 IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER PROGRAM PRODUCT Public/Granted day:2008-12-11
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