| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of preventing unnecessary consumption of toner, cleaning failure, and sticking of carrier. <P>SOLUTION: In the image forming apparatus having a means 6 for detecting an amount of toner attached to an image carrier 1, the timing of the application of a development bias is altered according to the result of the detection obtained by the means 6 at the start of the image carrier. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
