Image forming apparatus having rotary unit for holding...

Details Image forming apparatus having rotary unit for holding... Image forming apparatus having rotary unit for holding...

2005-09-06

2005-09-06

Lee, Susan (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

06941097

ABSTRACT:
In order to suppress uneven densities in an image, an image forming apparatus includes an image bearing member; a first developing unit, including a first developer carrying member, for developing a first latent image formed on the image bearing member; a second developing unit, including a second developer carrying member, for developing a second latent image formed on the image bearing member after the first developing unit has developed the first latent image; and a rotary unit, for holding the first and the second developing units and for moving the first and the second developing unit to positions opposite said image bearing member. Upon the reception of an image forming signal at the image forming apparatus, the first and the second developer carrying members are rotated before the first latent image on the image bearing member is developed.

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patent: 2000-227710 (2000-08-01), None

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