Patent ID: 9075330
Filing Date: 2015-07-07
Classification: G03G

Abstract:
1. An image forming apparatus including a fixing unit configured to heat and fix an unfixed toner image on a printing material, comprising: a colorimetry unit configured to obtain color information of toner patches of a plurality of colors, by irradiating the toner patches of the plurality of colors fixed on the printing material with light and dispersing light reflected by the toner patches, and wherein the toner patches of the plurality of colors include a first toner patch and a second toner patch, color information of the first toner patch and the second toner patch vary when a temperature variation occurs, an amount of variation in the color information of the first toner patch is larger than that of the second toner patch, and the first toner patch is fixed by the fixing unit before the second toner patch is fixed by the fixing unit.