When SAi Flexi software establishes communication with a Summa roll cutter, it does not terminate the connection.  this will sometimes prevent communication of any other software with the cutter.

In order to avoid this:

1.  First make sure all SAi Flexi software is closed completely.

2.  Open Summa Cutter Control (SCC) and perform any operations as required.  

3.  For OPOS-CAM operation, SCC must be running in the background.  You may minimize the SCC program window before initializing SAi Flexi software.  SCC OPOS-CAM communication will not be affected by SAi Flexi.

4.  After the above are performed, SAi Flexi may now be initialized and cut files can be sent to the Summa cutter normally.