The real tab inserter (RTI) system is attached to a drylin® T rail and carriage. The unit allows labels to be wound onto a roll. If the RTI detects faulty labels, it places a defective label at a start point and an end point. Human input was originally required. However, this sometimes resulted in serious injury, such as loss of fingers. drylin® T assists with the RTI’s smooth operation, without the need to maintain the shaft or bearings.