An image forming apparatus comprising: at least one image bearer to bear a latent image; multiple developing devices to develop the latent image with developers including toner and carrier into a toner image; multiple developer supply devices to supply the developers to the multiple developing devices, respectively; and a fixing device to fix the toner image on a sheet of recording media, wherein the multiple developing devices include multiple color developing devices to develop the latent image with color developers other than black developer, the multiple color developing devices are at different distances from an outline of the fixing device, the multiple developer supply devices include multiple color developer supply devices to supply color developers to the respective color developing devices, characterized in that the apparatus is adapted such that, regarding the percentage by weight of carrier therein, the color developers supplied to the multiple color developing devices are in an order reverse to an order of the distances from the outline of the fixing device to the respective color developing devices such that the percentage is higher for a shorter distance, and the apparatus is further adapted such that when one of the multiple developing devices at a shortest distance from the outline of the fixing device is referred to as a first developing device, the developer supplied to the first developing device by a corresponding one of the multiple developer supply devices is greater in percentage by weight of carrier than any of the developers supplied to rest of the multiple developing devices. at least one image bearer to bear a latent image; multiple developing devices to develop the latent image with developers including toner and carrier into a toner image; multiple developer supply devices to supply the developers to the multiple developing devices, respectively; and a fixing device to fix the toner image on a sheet of recording media, wherein the multiple developing devices include multiple color developing devices to develop the latent image with color developers other than black developer, the multiple color developing devices are at different distances from an outline of the fixing device, the multiple developer supply devices include multiple color developer supply devices to supply color developers to the respective color developing devices, characterized in that the apparatus is adapted such that, regarding the percentage by weight of carrier therein, the color developers supplied to the multiple color developing devices are in an order reverse to an order of the distances from the outline of the fixing device to the respective color developing devices such that the percentage is higher for a shorter distance, and the apparatus is further adapted such that when one of the multiple developing devices at a shortest distance from the outline of the fixing device is referred to as a first developing device, the developer supplied to the first developing device by a corresponding one of the multiple developer supply devices is greater in percentage by weight of carrier than any of the developers supplied to rest of the multiple developing devices.