Patent ID: 8290377
Filing Date: 2012-10-16
Classification: G03G

Abstract:
1. An image forming apparatus using an electrophotography, the image forming apparatus comprising: a mounting device configured to detachably mount a selected one cartridge of a plurality of cartridges, wherein the plurality of cartridges includes a cartridge containing a dark color toner and a cartridge containing a light color toner which are configured to form a toner image, and wherein the dark color toner and the light color toner have a same hue and such a brightness relationship that, in an image forming operation, a toner amount per unit area of the toner image of the dark color toner is smaller than a toner amount per unit area of the toner image of the light color toner on condition that an image density of the toner image of the dark color toner is same as an image density of the toner image of the light color toner; and a controller configured to change an image forming condition so that a maximum toner amount per unit area of the toner image of the dark color toner used when the cartridge containing a dark color toner is mounted to the mounting device is smaller than maximum toner amount per unit area of the toner image of the light color toner used when the cartridge containing a light color toner is mounted to the mounting device.