Patent ID: 7755906

Claim:
An electronic apparatus comprising: a unit which is mountable and removable at an electronic apparatus main body; a locking component which, in a locked state, impedes removal of the unit from the electronic apparatus main body and, in an unlocked state, allows removal of the unit from the electronic apparatus main body, wherein the locking component is configured to be locked into the lock state and unlock into the unlocked state using a key; a mounted component which is mounted at the unit to be removable to outside the electronic apparatus main body; a stopper member which is mounted at the unit and covers the mounted component to impede removal of the mounted component from the unit; an engaged portion which is provided at one of the unit or the stopper member; and an engaging portion which is provided at the other of the unit or the stopper member, the engaging portion engaging with the engaged portion when the stopper member is mounted at the unit and impeding removal of the stopper member from the unit, the engaging portion is configured to be accessible for releasing the engagement with the engaged portion when the unit is not mounted at the electronic apparatus main body, and the engaging portion is configured to be inaccessible for releasing the engagement when the unit is mounted at the electronic apparatus main body.