| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an image forming apparatus capable of performing toner concentration control fit to the state of an image forming apparatus body. <P>SOLUTION: In the image forming apparatus 100, a selection part 54 selects control voltage to be input in a toner sensor 42 from a sensor control part 51 from a first voltage value previously stored in a preservation part 43 of a developing device 4 and a second voltage value acquired by a second voltage value acquisition part 52 after the developing device 4 is mounted in the image forming apparatus body 101 based on the installation environment or the like of the image forming apparatus body 101 stored in a storage device 53. <P>COPYRIGHT: (C)2008,JPO&INPIT |
