A printer device is disclosed that has a cutter function and a thermal head, and is low profile but is suitable for thick paper. The printer device includes a first module and a second module. The first module includes a turning blade driving motor, a platen roller driving motor, a platen roller driven to rotate by the platen roller driving motor, and a fixed blade provided on a first frame. The second module includes a printing head and a turning blade provided on a second frame. When the first module and the second module are connected together, the printing head faces the platen roller, the turning blade faces the fixed blade, and rotation of the turning blade driving motor is transmitted to the turning blade.