Patent ID: 7542714

Claim:
A used toner collecting device, comprising: a used toner receiver for receiving used toner remaining on a surface of a photoconductive medium; a used toner conveying member for conveying the used toner received in the used toner receiver; and a used toner receptacle for storing the used toner conveyed by the used toner conveying member, wherein the used toner conveying member comprises, a used toner conveying auger mounted in the used toner receiver along a lengthwise direction of the used toner receiver, a casing disposed between the used toner receiver and the used toner receptacle, and a used toner conveying belt running in the casing, the used toner conveying belt comprising projecting wings arranged at intervals on an outer surface of the used toner conveying belt, wherein at least one of the projecting wings comprises a projecting rib.