Patent ID: 8655205

Claim:
A waste toner container used in an image forming apparatus, comprising: a waste toner reservoir extending in a depth direction of the image forming apparatus for containing waste toner removed from an image bearer; an inlet portion provided above the waste toner reservoir, in which at least one waste toner inlet is formed to receive the waste toner flowing to the waste toner reservoir; a first conveyance member provided in the waste toner reservoir, to transport the waste toner accumulating in the waste toner reservoir in the depth direction, the first conveyance member movable upward as the amount of the waste toner in the waste toner reservoir increases; a second conveyance member provided in the inlet portion to transport the waste toner in a width direction perpendicular to the depth direction, the second conveyance member including a drive transmitter to transmit a driving force from the second conveyance member to the first conveyance member; and a waste toner detection unit to detect whether an amount of the waste toner in the waste toner container reaches a predetermined amount by detecting upward movement of the first conveyance member.