Patent ID: 8090291

Claim:
An image forming device, comprising: a main body; an image forming unit configured to be attached to and detached from the main body along a predetermined direction, the image forming unit being configured to move among a first position where the image forming unit is housed in the main body, a second position where the image forming unit is pulled from the main body to be exposed to an outside of the main body, and a third position where the image forming unit is separated off from the main body; a shaft member elongated in the predetermined direction, the shaft member being configured to rotate around an axis line thereof extending along the predetermined direction, between a first rotational position and a second rotational position apart from the first rotational position by a predetermined rotational angle; a first regulator provided to the shaft member, the first regulator being configured to, when the shaft member is in the first rotational position, engage with the image forming unit and forbid the image forming unit to move between the second position and the third position; and a second regulator provided to the shaft member, the second regulator being configured to, when the shaft member is in the second rotational position, engage with the image forming unit and forbid the image forming unit to move between the first position and the second position.