Patent ID: 8849174

Claim:
An image forming apparatus comprising: a developing unit comprising a photoconductor and configured to develop an electrostatic latent image on the photoconductor to a visible image by use of toner; a fuser unit configured to fuse the toner transferred on a printing medium; a fuser driving unit configured to drive the fuser unit; and a waste toner storage unit configured to receive waste toner separated from the photoconductor and to store the waste toner, and to operate by receiving power from the fuser driving unit, the waste toner storage unit comprising: a waste toner delivery part configured to transfer the waste toner from the photoconductor, and to operate by receiving power from the fuser driving unit; and a waste toner storage part configured to receive and store the waste toner transferred by the waste toner delivery part, and to operate by receiving power from the waste toner delivery part, the waste toner storage part comprising: a waste toner storage case to accommodate the waste toner; and a flattening auger rotatably installed inside the waste toner storage case, wherein the flattening auger operates by receiving power from the waste toner delivery part.