| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce the cost of a vibrating device and extend the interval between maintenance services. <P>SOLUTION: In the cleaning device using the vibrating device, the actuation of the vibrating device is not allowed when the number of sheets becomes equal to or larger than a predetermined number of sheets, which corresponds to the durability of a photoreceptor drum, and rotating time becomes equal to or longer than a predetermined length of rotating time. <P>COPYRIGHT: (C)2003,JPO |
