| 摘要 |
An image forming apparatus includes a first drum for bearing an electrostatic latent image and a cleaning blade of a first cleaning device when formation of the toner image to be transferred onto a sheet is not carried out. The control device selects between a toner supply process using the toner accommodated in a first developing device and a toner supply process using the toner accommodated in a second developing device, in accordance with an amount of the toner accommodated in the first developing device or the second developing device.
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