... 4. Infra-red sensor,automatic tension sensitive feeding system, Take-up system optional, adopted three rollers and one pull rod ... enhance outdoor durability. Specifications: 1. Double raster controlling system plus blank skipping function improves productivity and commercial benefit.2 ... &Drying SystemEquipped(Drying/Infra-red Heating System Optional)INK Color6color(C,M,Y,K,LC,LM)/double 4color(C, ...