Invention Grant
- Patent Title: Image forming apparatus
- Patent Title (中): 图像形成装置
-
Application No.: US12334780Application Date: 2008-12-15
-
Publication No.: US07877033B2Publication Date: 2011-01-25
- Inventor: Ken-ichi Shibuya
- Applicant: Ken-ichi Shibuya
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper & Scinto
- Priority: JP2007-329279 20071220
- Main IPC: G03G15/16
- IPC: G03G15/16 ; G03G15/24

Abstract:
There is provided an image forming apparatus, including: a image bearing member; a charging member; a developing device; a transfer member that forms a transfer portion, thereby transferring a toner image on the image bearing member, to a transfer material; a first toner charging member disposed on the lower stream side of the transfer portion and on the upper stream side of the charging member in a rotating direction of the image bearing member, thereby charging the toner on the image bearing member by applying voltage; wherein the developing device develops the electrostatic latent image and recovers the toner charged by the first toner charging member, the image forming apparatus further including: a first current detecting portion that detects a current value flowing through the first toner charging member; and a changing portion that changes a transfer condition according to the detected current value.
Public/Granted literature
- US20090162086A1 IMAGE FORMING APPARATUS Public/Granted day:2009-06-25
Information query