Patent ID: 8326163

Claim:
An image forming apparatus comprising: an image carrying member; toner image forming means for forming a toner image on said image carrying member; a transfer member, pressing a surface of said image carrying member, for forming a transfer portion for electrostatically transferring a toner image onto a recording material; a power source capable of forming an electric field at the transfer portion when no recording material is present at the transfer portion; a cleaning member, contactable to said transfer member, for removing toner from said transfer member; and an executing portion capable of executing an operation in which a toner band is supplied to said transfer member in a period from completion of image formation in a certain image forming job until start of image formation in a subsequent image forming job, wherein said executing portion executes the operation when a number of recording materials conveyed in the certain image forming job is one, and said executing portion does not execute the operation when the number of recording materials conveyed in the certain image forming job is equal to or more than a predetermined number.