| abstract |
Method for multicolor printing of sheet-like or plate-shaped substrates with a smooth, non-absorbent surface such as plastic, plastic or metal plates (1) or webs, in which The printing material (1) is printed by the indirect flexographic printing process, - Each ink to be printed own printing unit (3, 13, 23, 33) containing an inking unit (6), a cylinder (5) for a flexographic printing plate (12), a transfer cylinder (7) and a counter-pressure cylinder (8), assigned . - The color is always dried on the substrate before it is fed to the next printing unit and - In the wells and on the flanks of the surfaces to be printed the printing plate (12) located color residues (12a) either before each re-inking of the printing plate (12) is applied as a thin film on the printing areas again, or - The printing plate (12) is repeatedly cleaned several times during a current print job. |