Patent ID: 8660441

Claim:
A falling prevention member to prevent an information storage device from falling from a removable device, the removable device being configured to be removably installed in an image forming apparatus body, wherein the information storage device comprises: an information storage unit that stores information communicated between the image forming apparatus body and the removable device; a terminal that comes in contact with a body side terminal installed in the image forming apparatus body and communicates the information with the image forming apparatus body; and a substrate that holds the information storage unit and the terminal and includes at least one of a hole and a notch configured to be engaged with a protruding member of the image forming apparatus body, the falling prevention member comprising: a fixing portion to be fixed to the removable device, and a cover portion to partially cover an opening of a concave section of the removable device in which the information storage device is loosely held, so as to prevent the information storage device from falling from the concave section, to allow the information storage device to move on a virtual plane intersecting with a moving direction in which the terminal approaches and comes in contact with the body side terminal, and to expose the terminal and the at least one of the hole and the notch.