Invention Grant
- Patent Title: Image forming apparatus
- Patent Title (中): 图像形成装置
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Application No.: US12076366Application Date: 2008-03-18
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Publication No.: US07789475B2Publication Date: 2010-09-07
- Inventor: Takashi Morishita , Yoshimitsu Ogura , Kenji Kagami , Jun Watanabe , Yuji Ieiri , Tomokazu Tsuchiya , Shigeru Yoshigai
- Applicant: Takashi Morishita , Yoshimitsu Ogura , Kenji Kagami , Jun Watanabe , Yuji Ieiri , Tomokazu Tsuchiya , Shigeru Yoshigai
- Applicant Address: JP Tokyo
- Assignee: Ricoh Company, Limited
- Current Assignee: Ricoh Company, Limited
- Current Assignee Address: JP Tokyo
- Agency: Harness, Dickey & Pierce, P.L.C.
- Priority: JP2007-069700 20070318
- Main IPC: B41J29/393
- IPC: B41J29/393
Abstract:
In an image forming apparatus, a control unit determines that dirt is present on the linear scale when a detecting unit detects a change in a moving direction of a moving member while the moving member is moving at a constant speed.
Public/Granted literature
- US20080225070A1 Image forming apparatus Public/Granted day:2008-09-18
Information query
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