Patent ID: 8270870

Claim:
An image forming apparatus comprising: an endless belt; a plurality of processing units that is juxtaposed to be in confrontation with the endless belt, each of the plurality of processing units having one end and another end in a longitudinal direction in which each of the plurality of processing units extends; a pair of side walls that supports one end and the other end of each of the plurality of processing units, respectively, a cleaning unit configured to make contact with the endless belt to collect waste toner deposited on the endless belt; a waste toner retainer that is provided in one processing unit of the plurality of processing units; and a waste toner conveying unit configured to convey the waste toner collected by the cleaning unit to the waste toner retainer, wherein the waste toner conveying unit comprises a first conveying member configured to convey the waste toner in the longitudinal direction and a second conveying member configured to convey the waste toner conveyed by the first conveying member to the waster toner retainer, wherein the second conveying member is provided on one of the pair of side walls.