Patent ID: 11003130

Abstract:
According to one embodiment, the exposure device includes an exposure head, a holder, a biasing member, a lifting mechanism, a support member, a harness, and a protrusion. The holder supports the exposure head movably in a first direction of approaching the photosensitive drum and a second direction of being spaced from the photosensitive drum. The harness has one end portion connected to the exposure head. The harness is positioned with respect to the support member in a positioning location having a length direction position different from that of the one end portion. The harness has a folding portion formed between the one end portion and the positioning location. The protrusion enters inside of the folding portion to regulate movement of the folding portion of the harness in the first direction or the second direction. The protrusion protrudes from the holder in a third direction intersecting the first direction.