... . Paper Size:620*450mm single color offset press machine ZJ620NPMaximum Printing Area605*440mmMaximum Paper Size620*450mmMinimum Paper Size180 ... 255g/m2 paper printing, such as typing paper, newsprint, copy paper, craft paper, Copperplate paper, especially for simple four ... done, the electromagnetic pre-set counter will order the machine to stop feeding automatically.Double- sheet inspecting: Advanced ...