Patent ID: 7840154

Claim:
An image forming device comprising: a main body including a controller; a photoconductive drum; a developing roller opposed to the photoconductive drum; a developer container configured to contain a developer and disposed across the developing roller from the photoconductive drum when viewed from a direction parallel to an axis direction of the developing roller; a cartridge comprising: a cartridge frame having at least the developer container formed therein; a memory unit; a first portion disposed at an upstream portion in an upstream end in an attachment direction of the cartridge frame; and a first terminal disposed at at least a part of the first portion and electrically connected to the memory unit; a second portion disposed at the main body; and a second terminal disposed at at least a part of the second portion to contact with the first terminal and electrically connected to the controller disposed in the main body, wherein one of the first portion and second portion receives the other of the first portion and second portion.