Invention Grant
- Patent Title: Image forming apparatus that controls voltages to reduce image fogging
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Application No.: US17332473Application Date: 2021-05-27
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Publication No.: US11644766B2Publication Date: 2023-05-09
- Inventor: Kohei Okayasu
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Venable LLP
- Priority: JP 2020095756 2020.06.01
- Main IPC: G03G15/06
- IPC: G03G15/06 ; G03G15/16 ; G03G15/02 ; G03G15/00 ; G03G13/24

Abstract:
A region of an image bearing member that comes into contact with a recording material at a nip in a state in which the recording material is held by the nip is a first region, and a region of the image bearing member that does not come into contact with the recording material at the nip in a state in which the recording material is not held by the nip is a second region. A controller controls to apply a first developing voltage to a developer bearing member when the first region in which a first surface potential has been formed faces a developer bearing member and apply a second developing voltage lower than an absolute value of the first developing voltage to the developer bearing member when the second region in which a second surface potential has been formed faces the developer bearing member.
Public/Granted literature
- US20210373453A1 IMAGE FORMING APPARATUS Public/Granted day:2021-12-02
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