PRINTER

PROBLEM TO BE SOLVED: To prevent a print from shifting in position.SOLUTION: There is provided a printer 1 which performs desired printing on a printed tape unwound from a roll wound with the printed tape. The printer comprises a roll storage part 4 which stores a roll; a pair of guide members 20A, 20B which are provided at the roll storage part 4 to leave and approach each other by associatively moving to and away from a right-left center position along a width of the roll, and define a width-directional position of a printed tape unwound from the roll while holding the stored roll therebetween; and energizing members 35A, 35B which are provided for the pair of guide members 20A, 20B respectively and come into contact with width-directional ends of the printed tape so as to elastically energize the printed tape inward along the width.