: If you experience "spazzing" or interrupted cuts, consider using a high-quality null modem serial cable or a Tripp-lite Keyspan Adapter Go to product viewer dialog for this item. instead of the standard USB cable. How to set up Seiki SK720T and Artcut2009 on windows
How to set up Seiki cutter to use with signcut from start to finish seiki sk720t driver install
or higher, many cutting programs won't see it. You must right-click it, go to Properties > Port Settings > Advanced : If you experience "spazzing" or interrupted cuts,