DOUBLE SIDE PRINTING DEVICE FOR PRINTING ON DOUBLE SIDES OF PRINTED MEDIUM REVERSE TURNED BY PAPER REVERSE TURNING UNIT

摘要

PURPOSE: A double side printing device is provided to print on the entire area of a printed medium without margin and to surely prevent the paper jam by surely supporting the printed medium via a paper feeding roller and a pinch roller. CONSTITUTION: A printed paper is delivered to the part where the rear end portion of the printed paper falls down from a pair of paper feeding rollers(21,22) when printing is performed on the first side of the printed paper. The paper feeding rollers are spaced apart from a pinch roller. The printed paper is delivered in the direction opposite to the first side printing direction by a pair of paper distributing rollers. The paper feeding rollers are contacted to the pinch roller repeatedly. The printed paper is kept being delivered reversely to be delivered to a paper reverse turning unit(2).