An image forming apparatus includes an image forming unit, an apparatus
body, a door, a sheet conveyance unit, and a positioning device. The
image forming unit forms an image on a sheet. The image forming unit is
disposed in the apparatus body. The door is provided in the apparatus
body so as to be openable and closable. The sheet conveyance unit conveys
the sheet to the image forming unit. The sheet conveyance unit is
provided in the door. The positioning device positions the door in
relation to the apparatus body in the vertical direction and the
horizontal direction. The positioning device performs positioning of the
door in the vicinity of the image forming unit.