Minneapolis Labels Manufacturer Offers Roll-To-Roll Screen Printing For Printed Electronics MINNEAPOLIS, Minnesota: General Label Inc. is a local, high-tech printing company that specializes in designing and manufacturing responsive membrane switches for a wide range of industries. Among its cutting-edge techniques is roll-to-roll screen printing for printed electronics. Roll-to-roll printing allows electrodes and biosensors to be printed with functional conductive ink on a larger scale, as many of these electronics need to have additional assemblies and finishing done by roll to roll machines.