To improve sharpness of a full cutter possessed by a label writer.

The label writer has a full cutter 31 that includes a movable blade 32 for full cut, a fixed blade 33 for full cut, and a turning shaft for full cut 34 for turning the movable blade 32 for full cut to the fixed blade 33 for full cut. To the full cutter 31, a spacer plate 71 adjacent to the fixed blade 33 for full cut in the thickness direction of the fixed blade 33 for full cut is provided. The tip part 33A of the fixed blade 33 for full cut is entered in an engageably inserting part 72 for full cut of the spacer plate 71, so that the fixed blade 33 for full cut is regulated in moving to its thickness direction and the other surface side of the movable blade 32 for full cut. Accordingly, the fixed blade 33 for full cut from the turning shaft 34 for full cut to the tip 33A is not fixed.