The POLYtij ® S3i-2HP thermal inkjet printer with its ability to print with two (2) printheads offers maximum flexibility on most production lines.Either printhead can print seperate individual messages triggered from one (1) product signal. Like all POLYtij ® printers, the printer comes with a large and unique range of inks that can print onto both most porous & non porous substrates used in the fast moving consumer goods market.