To make a heater for a tower type printer small and simplify the same, save a space required for setting the heater, reduce the manufacturing cost thereof, make the inspection and maintenance easy, and reduce the frequency of malfunction.

A device is provided with a plurality of printing sections P1, P2, P3 and P4 overlapped in the height direction and heaters H1, H2, H3 and H4 along the width direction of web papers facing a line on which the web papers W having passed respective printing sections travel on respective downstreams of respective printing sections, and the printing faces can be heated every time the printing is completed on respective printing sections.