A mobile printer includes: a roll body accommodating portion including a first partition wall and accommodating a roll body on which a recording paper is wound; a print head; a transport unit; a power supply unit, and supplying a drive voltage signal to the print head and the transport unit; and a housing including a power supply surface to which the power receiving module is fixed, and covering the roll body accommodating portion, the print head, the transport unit, and the power supply unit, in which at least a part of the first partition wall is located between the power receiving module and the roll body accommodating portion along one direction from the power receiving module to the roll body accommodating portion, and a thickness of the first partition wall along the one direction is larger than a thickness of the power supply surface along the one direction.