Patent ID: 8401419

Claim:
An image forming apparatus, comprising: an image carrier; a developing device to develop the latent image formed on the surface of the image carrier so as to form a toner image on the surface of the image carrier; a transfer device to transfer the toner image onto the image transfer member; a cleaning device to remove a toner remaining on the surface of the image carrier from the surface of the image carrier after the image is transferred by the transfer device; and a developer suction section, having; a recovery container to recover the toner removed by the cleaning device; a ventilation duct, including, a suction opening to suction air for collecting the wafting toner at a vicinity of the developing device; and an exhaust opening to exhaust air, a toner collecting section to collect the wafting toner disposed in a middle of the ventilation duct, a suction section to suction air, and an opening and closing device to connect the toner collection section and the recovery container, and a control section to control the opening and closing device so as to close while the suction blower is suctioning the air and to open after the suction section is stopped.