LABELLING MACHINE AND METHOD FOR ITS OPERATION

摘要

A machine and method for its operation A gap sensor assembly for a labelling machine, the labelling machine configured to convey label web (18) along a web path (20). The gap sensor assembly comprises a roller (30b) configured to guide the label web along the web path, and a sensor arrangement (50, 52) configured to produce a sensor signal (56) which is a function of a property of a portion of label web. The roller comprises at least a portion of the sensor arrangement.