| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem in which: filters of image forming apparatuses have been replaced or cleaned by a service staff without various regions being taken into consideration irrespective of the regions where image forming apparatuses are installed, each of which has different amount of predetermined substance contained in the atmosphere. <P>SOLUTION: A management device for image forming apparatuses obtains data about the amount of predetermined substance, and determines the amount of the predetermined substance collected by a filter based on the data. <P>COPYRIGHT: (C)2013,JPO&INPIT |
