Patent ID: 9563161
Date: 2017-02-07
CPC Classifications: G03G,G06F,H04N

Claim:
1. An image forming apparatus, comprising: image forming parts executing an image forming operation capable of forming images for respective colors of developers; developer containers containing the developers of the respective colors to be supplied to the image forming parts; developer amount detecting parts detecting developer amounts of the respective colors contained in the developer containers; a use setting part setting a use condition indicating whether the developer is usable or unusable for each color; and a limit setting part setting a limit condition indicating a limit value of the developer amount of each color to be maintained in each developer container, wherein each of the image forming parts executes the image forming operation in accordance to the use condition set by the use setting part, to the developer amount detected by each of the developer amount detecting parts, and to the limit condition set by the limit setting part.