Device for the in-line - monitoring of the printing quality in the case of sheet-fed offset printing presses

摘要

The invention relates to a measuring device for monitoring the print quality during the printing process in a printing press (1) for processing curved printing materials (705) with at least one printing unit (4, 5) and with a the printing material (705) be detected scanning device (6) as well as a computer (201, 200). The present invention is characterized in that the arcuate printing material (705) of at least a sheet-guiding element (100, 101) on the scanning device (6) is conveyed to.