A head attachment/detachment jig that is used for attachment/detachment of a head which ejects ink droplets and is fixed on a base member by a fastener member when replacing the head, the head attachment/detachment jig, includes a frame member that is attachable to and detachable from the head; and a tip tool that has a tip part and a top part, and is held to be turnable and movable forward and backward with respect to the frame member, wherein the tip part of the tip tool has a shape that is capable of turning the fastener member, and the top part of the tool has a shape that is formed to be capable of turning the tip tool by a different tool from the tip tool.