The scanner recognizes poor dovetail joint milling immediately after the finger joint preparation. Upon detection of damaged finger joint tines, the corresponding lamella is marked within the package and rejected by the control unit. Rules for tine breakouts can be precisely defined for each final product. also scans and monitors the glue application on the finger joint profile and lamella boards, detecting missing as well as excessive glue application. Consequently, the quantity of glue applied can be adjusted. Since Optiglue ensures consistent glue application, in finger jointing the glue needs to be applied only on one side. This ensures a secure and cost-effective gluing.