Patent ID: 8385773

Claim:
A mounting structure of a removable member, comprising: a body; a removable member that is mounted to and dismounted from the body; a functional member provided at the removable member, the functional member having a determined function; a first gear provided at the removable member, the first gear transmitting power to the functional member; a second gear provided at the body, the second gear engaging the first gear and transmitting the power to the first gear when the removable member is mounted to the body; and a covering member provided at the body, the covering member moving to an engageable position where the first gear and the second gear are engageable with each other when the removable member is mounted to the body, the covering member covering at least a portion of the second gear from an engagement side of the first gear by moving from the engageable position when the removable member is dismounted from the body.