Patent ID: 9423751
Filing Date: 2016-08-23
CPC Classification: G03G

Claim Text:
1. An image forming apparatus, comprising: a photosensitive member; a latent image forming unit configured to form an electrostatic latent image on the photosensitive member; a developing unit including a container in which a toner is stored, and configured to develop the electrostatic latent image using the toner in the container; a circulating unit configured to convey the toner in a predetermined direction in order to cause the toner to circulate in the container; a drive unit configured to drive the circulating unit; a replenishment unit configured to replenish the developing unit with toner; a detection unit configured to detect a density of the toner in the container; an acquisition unit configured to acquire information related to a circulation period at which the circulating unit causes the toner to circulate; a determining unit configured to determine a correction condition based on the information acquired by the acquisition unit; a correction unit configured to correct a detection result of the detection unit based on the correction condition determined by the determining unit; and a controller configured to control the replenishment unit based on the detection result corrected by the correction unit.