| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a stable-quality image by preventing toner from overflowing from a developing sleeve roller when processing speed is switched. <P>SOLUTION: When switching the processing speed, speed of a stirring motor 301 is switched prior to a developing sleeve motor 401 when switching present speed to speed higher than the present speed, and speed of the developing sleeve motor 401 is switched prior to the stirring motor 301 when switching the present speed to speed lower than the present speed. <P>COPYRIGHT: (C)2010,JPO&INPIT |
