The presence of foreign matter in yarn and fabric remains one of the most vexatious quality challenges a textile mill faces. An impurity that creeps in the fibre stage can create a series of problems at every further processing stage. Only a small amount of foreign matter can impact a large quantity of fabric. That is why spinning mills try to remove foreign parts as early as possible during the fibre preparation stage. The automatic detection and ejection of foreign parts has been steadily evolving over the last decades. However, it remains especially difficult to detect foreign parts those are transparent or thin, white, or thread-shaped. The Truetzschler T-SCAN TS-T5 meets these and other detection requirements with an unprecedented quality.