Patent ID: 9390355
Filing Date: 2016-07-12
CPC Classification: G03G,G06K

Claim Text:
1. An image forming apparatus comprising: an installation section in which a toner cartridge is to be installed among a plurality of toner cartridges containing toners in a same color in an exchangeable manner; an image forming section configured to form an image on a sheet using a toner supplied from a toner cartridge among the toner cartridges that is installed in the installation section; and a control section configured to control an image forming operation by the image forming section, wherein the image forming section includes a developing device, a photosensitive drum, and a transfer member, the developing device is configured to form a toner image on a circumferential surface of the photosensitive drum by causing the toner supplied from the toner cartridge installed in the installation section to adhere to the photosensitive drum, the photosensitive drum is configured to bear the toner image, the transfer member is configured to transfer the toner image that the photosensitive member bears to the sheet, in a situation of toner cartridge exchange, the developing device contains a mixed toner of a plurality of toners supplied from the plurality of toner cartridges, the control section includes a storage section that stores therein a control program for controlling the image forming operation by the image forming section, through execution of the control program, the control section calculates a content fraction of each toner contained in the mixed toner, causes the storage section to store therein, in association with each of the plurality of toners, a control value used for controlling a component of the image forming section, calculates an execution control value by multiplying the content fraction of each of the toners by the control value associated with of each of the toners, and controls the image forming operation by the image forming section based on the execution control values.