Roller printing machine for use on painted paper, has print substrate web that is dehumidified by dehumidifier after printing with colors and before entering or passing next printing position or web guiding unit

摘要

The machine has a print substrate web (9) directed to printing positions and engaged to each printing position with an offset printing color on one or both sides. An UV dehumidifier dehumidifies the web. A web guiding unit (10) is arranged for guiding the web, and the dehumidifier is arranged before the web guiding unit. The print substrate web is dehumidified after printing with colors and before entering or passing the next printing position or the web guiding unit.