In contrast to paper-based picking, paperless picking does not entail any physical documents. This means that warehouse employees receive picking instructions from the WMS, e.g. in the form of

• Pick-by-Scan (mobile data collection)
• Pick-by-light (light signal)
• Pick-by-Voice (voice control)
• Pick-by-Vision (data glasses).

The paperless variant is designed to help avoid reading errors and a high volume of paper, while documenting all material and goods movements at the same time in real time.