Method for positioning image bearing member unit and roller...

Details Method for positioning image bearing member unit and roller... Method for positioning image bearing member unit and roller...

2005-03-29

2008-12-23

Gray, David M. (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S121000

Reexamination Certificate

active

07469115

ABSTRACT:
The image forming apparatus includes a chassis of a main body of the image forming apparatus, an image bearing member unit; a roller unit, and a first image bearing member supporting member, wherein the image bearing member unit includes, a chassis; and a second image bearing member supporting member, and wherein the roller unit includes a chassis; a first roller supporting member, a second roller supporting member, a first roller unit positioning member; and a second roller unit positioning member that comes into contact with a member provided at a predetermined position on the chassis of the image bearing member unit. This improves position accuracy of a roller with respect to an image bearing member, and prevents generation of a defective image.

REFERENCES:
patent: 6996354 (2006-02-01), Kimura et al.
patent: 7127195 (2006-10-01), Kimura et al.
patent: 2003/0219286 (2003-11-01), Soda et al.
patent: 2004/0101328 (2004-05-01), Kimura et al.
patent: 2007/0036584 (2007-02-01), Kimura et al.
patent: 07261493 (1995-10-01), None
patent: 2001051468 (2001-02-01), None
patent: 2004-53819 (2004-02-01), None
patent: 2004-94151 (2004-03-01), None
Chinese Office Action issued on Oct. 12, 2007.

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