Patent ID: 7004070

Claim:
A printing group of a rotary printing press comprising: a forme cylinder; a dressing on said forme cylinder; means for supplying printing ink to said forme cylinder, said dressing supplying said ink to a material to be printed; means for temperature-regulating at least one of said forme cylinder, said dressing and said ink to one of a reference variable and a maximum value of a temperature; and means for operating said printing group at at least a higher production speed and a lower production speed, said reference variable and said maximum value of said temperature being higher at said higher production speed and lower at said lower production speed and further wherein said material to be imprinted is paper having a coating weight of no greater than 20 g/m 2 , said lower production speed is at least 10 m/s, and said one of said reference variable and said maximum value is more than 30°.