Patent attributes
An image forming apparatus provided with a cleaning device including a cleaning blade in contact with an image carrier with contact pressure for removing the toner remaining on the image carrier; a toner guide roller which is located upstream of the cleaning blade in the rotating direction of the image carrier and which rotates in contact with the image carrier; a toner ejection regulating member in contact with the toner guide roller to eject the remaining toner appropriately; and a space formed by the enclosure of the image carrier, cleaning blade, toner guide roller and toner ejection regulating member for the purpose of storing the remaining toner; and this image forming apparatus further includes a control device that controls the cleaning device so as to change the peripheral speed ratio of the toner guide roller with respect to the image carrier, in response to change in the system speed.
