上的供应辊（11），从该打印材料的多个连续布置在所述印刷基板印刷单元的通路（1.1-1.4）的方向被引导，每一个都具有压力缸（2.1-2.4）和待打印具有电基本上绝缘材料轮转印刷机（12） 压印辊（4.1-4.4），其滚动以相反方向相互，和用于在所述压印滚筒和压印滚筒之间的压力间隙（10.1-10.4）产生电场（9.1-9.4），其中，用于产生电场的装置（9.1-9.4 ）用高电压源（各印刷单元5.1-6.4），分别具有不同的极性，且（与卷带盘15），在其上的打印材料被馈送经过打印站，其特征在于，每个装置用于产生电场（9.1- 9.4）（经由开关7.1-7.4）（具有正极性的5.1-5.4的高电压源） 和负极性（6.1-6.4）的高电压源连接，以便通过切换该开关装置（7.1-7.4）任选地，可以施加正极性或负极性的用于产生电场（9.1-9.4）的装置的高电压的高电压。

Rotary printing machine with an electrically substantially insulating material to be printed (12) on a supply roll (11) from which the printed material in a plurality in the direction of passage of the printing material successively arranged printing units (1.1-1.4) is guided, each having a pressure cylinder (2.1-2.4) and a impression roller (4.1-4.4), which roll in opposite directions to each other, and means for generating an electric field (9.1-9.4) in the nip (10.1-10.4) between printing cylinder and impression cylinder, wherein the means for generating an electric field (9.1-9.4 ) of various printing units with high voltage sources (5.1-6.4), respectively, have different polarities, and with a take-up reel (15) on which the printing material is fed past the print stations, characterized in that each means for generating an electric field (9.1- 9.4) a switching device (7.1-7.4) is connected to a high voltage source of positive polarity (5.1-5.4) and a high voltage source of negative polarity (6.1-6.4), so that by switching the switching means (7.1-7.4), optionally, a high voltage of positive polarity or a high voltage of negative polarity to the means for generating the electric field (9.1-9.4) can be applied.