This equipment is very popular for advertising campaign mailers using post cards. This approach of using post cards rather than envelops, is a more economical approach. Both the mailing cost and the workload are reduced with post cards and labels. Also, attaching peel away labels with confidential information to post cards for mailing has never been easier.

Internal structure of PSL-5L

This middle speed machine is capable of placing 6,000 labels/hour.  There is a high speed machine available as well.