A printer includes a roll driving mechanism for causing a roll to rotate and a medium to be conveyed, a roll driving section for driving the roll driving mechanism, a first conveying mechanism for conveying the medium, a first driving section for driving the first conveying mechanism, a second conveying mechanism for conveying the medium, and a second driving section for driving the second conveying mechanism, and a controller for performing a control in such a way that when there is a change in the rate at which the first conveying mechanism conveys the medium, the maximum amount of the difference between the amount of the medium conveyed by the roll driving mechanism and the amount of the medium conveyed by the second conveying mechanism exceeds the maximum amount of the difference.