A printer unit has a film pack room into which any one of a first instant film pack or a second instant film pack is loaded, an exposure head, and a controller. The second instant film pack is aligned with the film pack room so as to be shifted. A detector that detects the first instant film pack is provided in the film pack room. The controller controls the exposure head to switch according to a signal of the detector.

A printer unit has a film pack room into which any one of a first instant film pack or a second instant film pack is loaded, an exposure head, and a controller. The second instant film pack is aligned with the film pack room so as to be shifted. A detector that detects the first instant film pack is provided in the film pack room. The controller controls the exposure head to switch according to a signal of the detector.

A printer unit has a film pack room into which any one of a first instant film pack or a second instant film pack is loaded, an exposure head, and a controller. The second instant film pack is aligned with the film pack room so as to be shifted. A detector that detects the first instant film pack is provided in the film pack room. The controller controls the exposure head to switch according to a signal of the detector.

A printer unit has a film pack room into which any one of a first instant film pack or a second instant film pack is loaded, an exposure head, and a controller. The second instant film pack is aligned with the film pack room so as to be shifted. A detector that detects the first instant film pack is provided in the film pack room. The controller controls the exposure head to switch according to a signal of the detector.