Patent ID: 6728496
Filing Date: 2004-04-27
Classification: G03G

Abstract:
An image forming apparatus comprising:an image bearing member for bearing an image; a movable recording material carrying member for electrostatically carrying the recording material; transfer means for transferring the image from said image bearing member onto the recording material carried on said movable recording material carrying member by application of a transfer output having a predetermined level when an image formational area of the recording material passes through a transfer position, wherein the predetermined level is changeable; control means for controlling start timing of a change of the transfer output in accordance with the predetermined level so that the transfer output reaches the predetermined level before the leading edge of the image formation area reaches the transfer position, wherein said control means controls the start timing of the change of the transfer output from before the leading edge of the recording material carried on said movable recording material carrying member until the leading edge of the image formation area reaches the transfer position.