Patent ID: 8803930

Claim:
A printer, comprising: a platen roller configured to rotate in a first direction and to transport a recording medium; a print head facing the platen roller, the print head including: a head body portion having a printing portion configured to perform printing on a recording medium when the platen roller transports the recording medium; and a supporting mechanism configured to support the head body portion, to press the head body portion against the platen roller, and to move the head body portion by rotation of the platen roller; and an urging unit configured to urge the head body portion toward the platen roller; wherein when the platen roller rotates in a second direction opposite to the first direction, the supporting mechanism moves the head body portion by the rotation of the platen roller, and a contact position of the head body portion with respect to the platen roller is shifted while maintaining the head body portion pressed against the platen roller.