| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce a user's waiting time due to the supply of toner. <P>SOLUTION: In the case of no stand-by job when toner is run out of in one of developing apparatus, toner is supplied to all the developing apparatus, and in the case of a stand-by job existing, a developer is supplied to the developing apparatus which is empty at present and the developing apparatus which will empty in the following image forming job. <P>COPYRIGHT: (C)2009,JPO&INPIT |
