Patent ID: 7239829
Filing Date: 2007-07-03
Classification: G03G,H04N

Abstract:
1. An image forming apparatus configured to operate in a full-color operating mode or in a monochrome operating mode, the apparatus comprising: a first driving mechanism comprising at least one color image carrier and a first driver configured to drive the at least one color image carrier in a first direction to form a color toner image on the at least one color image carrier; a second driving mechanism comprising a black image carrier and a second driver configured to drive the black image carrier in the first direction to form a black toner image on the black image carrier; a transfer member configured to receive the color toner image and the black toner image in the full-color operating mode or the black toner image in the monochrome operating mode; and a controller configured to synchronize the first driving mechanism and the second driving mechanism, after an image forming operation in either one of the full-color operating mode or the monochrome operating mode, by rotating the at least one color image carrier and the black image carrier in a second direction opposite to the first direction.