Patent ID: 7773917
Filing Date: 2010-08-10
Classification: G03G

Abstract:
1. A toner supplying apparatus which conveys toner from a toner cartridge toward a developing apparatus, the toner supplying apparatus comprising: a toner accommodating portion which accommodates toner therein supplied from the toner cartridge; a toner conveying portion for conveying toner, which is received from the toner accommodating portion, toward the developing apparatus; a first toner conveying member provided in the toner accommodating portion and which conveys toner to the toner conveying portion; a second toner conveying member provided in the toner conveying portion and which conveys toner to the developing apparatus; and a drive device which drives the first toner conveying member and the second toner conveying member, wherein a toner feeding amount per unit drive time of the first toner conveying member is defined as V a toner feeding amount per unit drive time in an upstream region in the toner conveying direction of the second toner conveying member is defined as V a toner feeding amount per unit drive time in a downstream region in the toner conveying direction of the second toner conveying member is defined as V wherein the following relation is satisfied: V