Patent ID: 7992715

Claim:
A developing agent container package unit comprising: a packing case including a top end and a bottom end and a plurality of side surfaces extending vertically between the top end and the bottom end to define a plurality of corners; a developing agent container including first and second ends and storing toner therein and disposed inside the packing case; and a supporting member having at least one projection and at least one groove formed thereon, the supporting member disposed along opposing longitudinal sides of the developing agent container supporting the developing agent container containing toner therein, so that the developing agent container is inclined with respect to all side surfaces extending between the top end and the bottom end of the packing case and a first end of the developing agent container is disposed adjacent a first corner of the packing case and a second end of the developing agent container is disposed adjacent a second corner that is diagonally opposite from the first corner, wherein the developing agent container has a longitudinal axis which is inclined with respect to one side surface of the packing case, and wherein the at least one projection corresponds to the at least one groove.