Optical data communication apparatus for printer

摘要

PURPOSE: To provide a printer and a data communication device high in the degree of freedom of the arrangement of a printing data transmission means. CONSTITUTION: The optical communication adaptor 51 of a printer performing printing on the basis of the printing data transmitted from a printing data transmission means by optical communication is directly attached to a printer main body 11 in a detachable manner through a connector and a transmission and reception part 55 receiving printing data is provided to the optical communication adaptor 51 through a shaft 57 in a directionally adjustable manner.