Patent ID: 7003233

Claim:
An image forming apparatus comprising: a first developing agent storing section which stores toner; a toner replenishing member for supplying the toner stored in said first developing agent storing section to a second developing agent storing section; a density detector for detecting a toner density in said second developing agent storing section; a detecting section for detecting information relating to fluidity of the toner; a use amount detector for detecting information relating to an amount of toner used in said first developing agent storing section; a storage section for storing information relating to a toner replenishing amount in accordance with information relating to fluidity of the toner detected by said detecting section and information relating to the amount of toner used detected by said use amount detector; and a controller which controls an operation of said toner replenishing member on the basis of information relating to a detected toner density, and information relating to the toner replenishing amount.