JP2007293012A5 - - Google Patents

Claims (4)

An image forming unit for forming a toner image on a recording material ;
An endless fixing film , a heater in which a lubricant is applied to the contact surface between the fixing film and a contact with the inner surface of the fixing film, and a pressure that forms a fixing nip portion with the heater via the fixing film has a roller, and a fixing portion for heating and fixing a toner image of the recording material bearing the toner image to the pinching while conveying the recording material in the fixing nip portion,
In an image forming apparatus having
At a specific timing during the initial use start period of the fixing unit, idle rotation is performed to rotate the fixing film with the heater turned on without transporting the recording material at the fixing nip, and the initial use start The idle rotation is not executed at the specific timing after the period has elapsed, or at least one of the rotation speed, the temperature of the heater, and the idle rotation time at the idle rotation is the initial start of use even if the idle rotation is executed. An image forming apparatus, wherein the image forming apparatus lowers the idle rotation during the period . The idling is performed during the initial period of the use start of the fixing unit and during the period from when the print job start signal is input until the heating and fixing process of the first recording material is started. The image forming apparatus according to claim 1. The image forming apparatus according to claim 1, wherein the idling is performed during the initial use start period of the fixing unit and when the apparatus is turned on . The apparatus has a density control function of forming a density detection toner image, detecting the density of the density detection toner image, and correcting an image forming condition of the image forming unit. The image forming apparatus according to claim 1, wherein the image forming apparatus is executed during the initial use period of the fixing unit and during the density control period .