Offset printing process has more than one transfer cylinder in contact with print cylinder to transfer toner

摘要

The offset printing process has a print cylinder (3) that is motor driven (2). Passing around the surface of the cylinder is paper (42) that is transferred between stacks (41,53). This is tensioned by an adjusting cam (43). Ink is transferred from supplies (10) at different points on the drum using two separate units. These consist of plate cylinders (7) in contact with elastomer cylinders (6).