Patent ID: 7450871
Filing Date: 2008-11-11
Classification: G03G

Abstract:
1. An image forming apparatus, comprising: an image bearing member; first toner image forming means which forms a first toner image by using toner of a first color on said image bearing member; second toner image forming means which forms a second toner image by using toner of a second color on said image bearing member; an intermediate transferring member that bears a toner image transferred from said image bearing member; transferring means which is capable of transferring the first and second toner images on said image bearing member onto said intermediate transferring member; a fixing member which contacts said intermediate transferring member, forms a nip portion to pinch and convey a recording material and fixes the toner images on said intermediate transferring member onto the recording material by heat; a detecting member which detects a density of an adjustment toner image melted on said intermediate transferring member; and a control portion which changes a transferring condition of said transferring means based on a detection result of the adjustment toner image melted on said intermediate transferring member, wherein said image forming apparatus performs an adjustment toner image forming function to form the adjustment toner image by superposing the first toner image formed on said intermediate transferring member onto the second toner image, and melt the adjustment toner image by the nip portion.