A waste toner transfer apparatus in an electrophotographic printer for transferring waste toner removed by a cleaning unit from an image holding body, where a toner image is temporarily held, to a waste toner storage container. The waste toner apparatus includes a duct for connecting the cleaning unit and the waste toner storage container, a transfer unit installed in the duct to transfer the waste toner, a guide portion provided at an outlet of the duct to be inclined downward to guide the waste toner toward the waste toner storage container, and an agitation member installed on the guide portion and moving to prevent the waste toner from accumulating on the guide portion.