Patent ID: 6249656
Filing Date: 2001-06-19
Classification: G03G

Abstract:
An image forming apparatus comprising:a conveyer member for carrying a transfer sheet:an image forming device that comprises an image carrier, a toner image forming device for forming a toner image on said image carrier, a transfer device for transferring said toner image from the image carrier to the transfer sheet on the conveyer member as a toner image transfer operation and a cleaner for removing a remaining toner on said image carrier;a control device for controlling the toner image forming device to form a test toner pattern on the image carrier and controlling the transfer device to transfer the test toner pattern from the image carrier to the conveyer member as a test toner pattern transfer operation, wherein an output of said transfer device while performing the test toner pattern transfer operation is smaller than that of said transfer device while performing the toner image transfer operation; anda cleaning device for removing the transferred test toner pattern on the conveyer member.