Image forming apparatus

An image forming apparatus comprising:

• an apparatus body;
• an image carrier unit that includes:
• a support member;
• and
• an image carrier that is rotatably supported by the support member and directly or indirectly carries images;
• a positioning part that is provided at the apparatus body and positions the image carrier unit by being abutted against the support member;
• a plurality of rotating bodies which are provided in the apparatus body, are rotationally driven independently of each other, and apply forces to the image carrier unit, the forces being based on rotations of the rotating bodies;
• and
• a control unit that controls driving states of the plurality of rotating bodies,
• wherein
• the control unit controls the rotating bodies so that a resultant force of forces applied to the image carrier unit from the plurality of rotating bodies is always applied in a normal direction where the support member is abutted against the positioning part, in a period where the plurality of rotating bodies move to a stopped state from a normal rotation state.

An image forming apparatus comprising:

• an apparatus body;
• an image carrier unit that includes:
• a support member;
• and
• an image carrier that is rotatably supported by the support member and directly or indirectly carries images;
• a positioning part that is provided at the apparatus body and positions the image carrier unit by being abutted against the support member;
• a plurality of rotating bodies which are provided in the apparatus body, are rotationally driven independently of each other, and apply forces to the image carrier unit, the forces being based on the rotations of the rotating bodies;
• and
• a control unit that controls the driving states of the plurality of rotating bodies,
• wherein
• the control unit controls the rotating bodies so that a resultant force of forces applied to the image carrier unit from the plurality of rotating bodies is always applied in a normal direction where the support member is abutted against the positioning part, in a period where the plurality of rotating bodies are made to be in a normal rotation state and image is carried on the image carrier.