Image forming apparatus having a plurality of developing...

Details Image forming apparatus having a plurality of developing... Image forming apparatus having a plurality of developing...

2005-01-11

2005-01-11

Tran, Hoan (Department: 2852)

Electrophotography

Image formation

Development

C399S226000

Reexamination Certificate

active

06842598

ABSTRACT:
An image forming apparatus of the present invention includes two developing units each including two developing rollers facing a particular photoconductive drum and rotatable about respective axis parallel to the axis of the drum. Each developing unit is supported by a respective image forming unit and angularly movable about an axis substantially parallel to the axis of the drum. When each developing unit is angularly moved by a preselected angle, a gap for development is established between one of the developing rollers and the associated drum.

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