Patent ID: 7904014

Claim:
A waste toner collecting device comprising: a waste toner removing section that removes toner which is adhered on a surface of a member to be cleaned, as a waste toner; a waste toner storing section that stores the waste toner; and a waste toner transporting section that transports the waste toner to the waste toner storing section, wherein the waste toner transporting section includes: a waste toner transporting path, a rotatable shaft arranged in the waste toner transporting path, a transport screw that is arranged around an outer periphery of the shaft in the waste toner transporting path, wherein a first end of the transport screw is rotationally coupled to the shaft, and wherein a second end of the transport screw is free to rotate with respect to the shaft, and a driving section that is coupled to the second end of the transport screw so as to transmit a rotational force to the transport screw.