1. A mounting device comprising: a mounting head that has first fiducial marks, second fiducial marks that have a predetermined positional relationship with the first fiducial marks, and a collection member that collects components, and moves the collected components on a board; an imaging section that captures an image; and a control section that, during movement of the mounting head, causes the imaging section to capture a first image that includes the components that are collected in the mounting head and the first fiducial marks, causes the imaging section to capture a second image that includes the components that are collected in the mounting head and the second fiducial marks, and generates an image of the components that are collected in the mounting head using the first image and the second image based on the positional relationship of the first fiducial marks and the second fiducial marks.