| 摘要 |
An Image Forming Apparatus has a controller for controlling a second bias, which is applied to a cleaning member, based on a value of electric current measured by a current sensor. The controller controls the second bias on based on the value of the current measured when a predetermined measurement range of a transport belt is in contact with the cleaning member. The measurement range is a range in which conditions, under which the first bias and the second bias are applied, are identical.
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