Image forming apparatus having a power transmitting device...

Details Image forming apparatus having a power transmitting device... Image forming apparatus having a power transmitting device...

2008-05-20

2008-05-20

Chen, Sophia S. (Department: 2852)

Electrophotography

Image formation

Development

C399S054000, C399S075000, C399S223000

Reexamination Certificate

active

11338737

ABSTRACT:
An electrophotographic image forming apparatus is provided that includes a plurality of developing units, a cam shaft, and a plurality of cams disposed on the cam shaft corresponding to the respective developing units. A power transmitting device disposed between the developing units and the cams selectively transmits rotational force from a driving source to the plurality of developing units.

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