| 摘要 |
PROBLEM TO BE SOLVED: To prevent the occurrence of cleaning failure while reducing downtime accompanying cleaning operations.SOLUTION: A cleaning device 22 includes a CPU 26 that controls a plurality of cleaning operations by the cleaning device 22; the CPU 26 selects a cleaning operation to be executed from the plurality of cleaning operations according to the state of operation of an intermediate transfer belt 8 from when a first detection toner image for being detected by an optical sensor 60 is formed on the intermediate transfer belt 8 until when a second detection toner image for being detected by the optical sensor 60 is formed on the intermediate transfer belt 8 (S101, No; S101, Yes, S103, No, S104; S101, Yes, S103, Yes).SELECTED DRAWING: Figure 5 |
