Printer

A printer comprising:

• a medium supply unit configured to supply a print medium;
• a printing unit configured to print predetermined information on the print medium;
• a feed unit configured to feed the print medium along a feed direction that is any one of a first direction toward the printing unit from the medium supply unit, and a second direction toward the medium supply unit from the printing unit, on a reference surface;
• a depressed portion disposed using the reference surface as a reference;
• and
• a movement restricting portion including a guide piece, the movement restricting portion being configured to restrict a movement of the print medium to a direction perpendicular to the feed direction of the print medium by housing at least a part of the guide piece in the depressed portion, and abutting a side edge of the print medium on the guide piece, wherein
• a side edge on a side of the printing unit of the guide piece is disposed at a position close to an inner wall surface on the printing unit side of the depressed portion with respect to an inner wall surface on a side of the medium supply unit of the depressed portion.