Patent ID: 8068761

Claim:
An image forming apparatus comprising: an image forming unit including a plurality of photoconductor drums arranged in tandem and a plurality of developer cartridges each containing developer having a predetermined color; a conveyor belt arranged opposite to the plurality of photoconductor drums and configured to convey a recording sheet between the photoconductor drums and the conveyor belt; and a cleaning unit including a cleaning member positioned in contact with the conveyor belt and configured to collect substance adhering to the conveyor belt, and a receptacle configured to store the substance collected by the cleaning member, the receptacle being integrally formed with an adjacent one of the plurality of developer cartridges, wherein the cleaning member is arranged on the same side as the image forming unit with respect to the conveyor belt and upstream from the image forming unit as viewed in a sheet conveyance direction along which the recording sheet is conveyed on the conveyor belt.