METHOD FOR CONTROLLING DEVELOPING DEVICE IN IMAGE FORMING DEVICE

摘要

PURPOSE:To improve the using feel of an image forming device by changing over automatically the selection to the other developing device in which the developer is contained if there if such developing device when there is no more developing device in the selected deverloping device then continuing the image formation. CONSTITUTION:A flag N and a weight flag are respectively set at a '1' and the change over from the 2nd developing device 6 to the 1st developing device 5 is executed upon discrimination that the color of the toner in the 2nd toner replenishing bottle 53 and the color of the toner in the 1st toner replenishing bottle 41 are the same and that there is the toner in the bottle 41 while the 2nd developing device 6 is selected and when there is no more toner in the bottle 53. The flag N is the flag for discriminating whether the change over from the device 6 to the 1st developing device is started or not in this sub-routine.