Patent ID: 9500983
Filing Date: 2016-11-22
CPC Classification: G03G

Claim Text:
1. An image forming apparatus comprising: an image bearer on which a latent image is formed; a developing device to develop with developer the latent image formed on the image bearer; a developer container to contain developer; a temporary reservoir to temporarily store developer supplied from the developer container, the temporary reservoir having an outlet to discharge the stored developer to the developing device; a first conveyance device to transport developer from the developer container to the temporary reservoir; a second conveyance device to transport developer from the temporary reservoir to the developing device; a first developer amount detector to detect an amount of developer in the temporary reservoir; and a controller configured to control driving of the first conveyance device based on a detection result generated by the first developer amount detector and data relating to driving of the second conveyance device, wherein the developer in the developer container and the temporary reservoir is toner, the first developer amount detector comprises either one of a piezoelectric sensor and an optical sensor, and the first developer amount detector is provided to an inner wall of the temporary reservoir.