PROCESS FOR THE ON-LINE MONITORING OF THE PRINTING QUALITY IN SHEET-FED OFFSET PRINTING PRESSES

摘要

It is a kind of for handling a part of flaky material (705) in printing machine (1) during printing the present invention relates to a kind of device for monitoring printing quality, and including at least one print couple (4,5), scanner (6) detects the material to be printed (705), computer (201,200). It is characteristic of the invention that the sheet material to be printed (705) be directed through scanning (6) by least one piece guidance unit (100,101 ).