Electrophotography – Image formation – Development
Reexamination Certificate
2005-04-19
2005-04-19
Tran, Hoan (Department: 2852)
Electrophotography
Image formation
Development
Reexamination Certificate
active
06882815
ABSTRACT:
An image forming apparatus has a positioning device which positions an image carrier out of contact with a revolver unit that holds a plurality of developing rollers in a direction of rotation, thereby defining a predetermined gap between each developing roller and the image carrier at a developing position.
REFERENCES:
patent: 5991569 (1999-11-01), Sugihara et al.
patent: 60-214377 (1985-10-01), None
patent: 5-323795 (1993-12-01), None
Toshiba TEC Kabushiki Kaisha
Tran Hoan
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