Invention Grant
- Patent Title: Image forming apparatus capable of detecting presence or absence of a cartridge or a shape of the cartridge without increasing the number of components
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Application No.: US14730803Application Date: 2015-06-04
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Publication No.: US09645537B2Publication Date: 2017-05-09
- Inventor: Kuniaki Tamagaki , Motoki Adachi , Satoshi Sunahara , Takanori Watanabe
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JP2014-120003 20140610
- Main IPC: G03G15/00
- IPC: G03G15/00 ; G03G15/16 ; G03G21/18
Abstract:
An image forming apparatus is provided that includes a light-emitting unit which emits light to an image bearing member which bears a developer image and that detects presence or absence of a developer container storing developer or a shape of the developer container on the basis of the number of electrons discharged from or received by the image bearing member when the light-emitting unit emits the light.
Public/Granted literature
- US20150355590A1 IMAGE FORMING APPARATUS Public/Granted day:2015-12-10
Information query
