PURPOSE: To assemble a housing of a toner cartridge and a housing for storing the consumed developer and to separate the housing of the toner cartridge from the assembly of the housing for storing the consumed developer and a container coupling member for recycling and disposing the same.

CONSTITUTION: This container coulping member comprises (a) a coupling member 2 having a receiving part 4 forming a container receiving space 10, and comprising a first side end comprising a first flange 14 and a second side end comprising a second flange 18, and (b) a first container having one or more outer surface protuberances 38. When the first container is moved from the receiving space, one or more protuberances formed within this first region are engaged with the first or second flange to minimize the movement of the first region above the first and second flanges and to couple the first container with the coupling member.