Patent ID: 9341988
Filing Date: 2016-05-17
CPC Classification: G03G

Claim Text:
1. An image forming apparatus comprising: an image bearing member for bearing a toner image; an intermediary transfer member which is movable and onto which the toner image is to be primary-transferred from said image bearing member at a primary transfer portion; a controller; and a cleaning unit for removing a residual toner remaining on said intermediary transfer member without being secondary-transferred from said intermediary transfer member onto a transfer material at a secondary transfer portion, wherein said cleaning unit includes a cleaning member for collecting the residual toner, and a charging member, which is provided downstream of the cleaning member and upstream of said image bearing member with respect to a movement direction of said intermediary transfer member, for electrically charging the residual toner, and an accommodating member for accommodating the residual toner, the cleaning member and the charging member each being in contact with said intermediary transfer member, wherein said controller is capable of executing an operation in a discharging mode in which the toner is discharged from the charging member onto said intermediary transfer member, and wherein when the operation in the discharging mode is executed, said cleaning unit collects the toner, discharged from the charging member on said intermediary transfer member, by the cleaning member and then accommodates the collected toner in the accommodating member.