Patent ID: 7266315

Claim:
An image forming apparatus comprising: an image forming section that performs image formation using a plurality of developers having respective different predetermined colors, said image forming section having a first operation mode in which the image formation is carried out using only a predetermined one of the predetermined colors of the developers, a second operation mode in which the image formation is carried out using all of the predetermined colors of the developers, and a third operation mode in which the information is carried out in one of the first operation mode and the second operation mode selected by automatically recognizing image data; a default setting section that sets one of the first operation mode, the second operation mode, and the third operation mode to a default mode to be applied when power of the image forming apparatus is turned on; and a controller that determines the default mode set by said default setting section when the power of the image forming apparatus is turned on, said controller being operable when the set default mode is the first operation mode, to cause an image stabilization process necessary for preparation of image formation to be executed only for the predetermined color used in the first operation mode, said controller being operable when the set default mode is the second operation mode or the third operation mode, to cause the image stabilization process necessary for preparation of image formation to be executed for all the predetermined colors which is to be used in the second operation mode.