Most printers think of screen cleaning as a prepress task, but those who have halted presses to remove dried solvent inks from screens know that the job also is critical in production. Thieme’s new ScreenClean system automatically cleans screens during the printing process and frees press operators to attend to other work. ScreenClean’s solvent-application unit is mounted on guide rails on the printhead. The cleaning solvent is contained in a cartridge, and traversing rate of the solvent-application unit can be stored in the press