A printer device in which a backing paper from which a label is peeled off after printing can be easily set in a conveyance path provided at a bottom of the printer device when replacing a label paper. A label printer includes: a peeling roller and a peeling pinch roller that interpose and wind the backing paper after the label is peeled off; a peeling cover portion provided at the bottom of the printer device, holding the peeling pinch roller to be pressed against the peeling roller by supporting the peeling pinch roller and rotating the peeling cover portion around a rotation shaft perpendicular to a conveyance direction of the backing paper;

and a protruding portion and a magnet that holds the peeling cover portion at a label paper replacement position.