with your model, locate the serial number on the back of your Sparx SAMURAI shown below.

If your Sparx SAMURAI Includes the two-digit identifier "52" it is a consumer model and utilizes the Sparx SAMURAI Consumer disc.

If your Sparx SAMURAI Includes the two-digit identifier "51" it is a commercial model and utilizes the Sparx SAMURAI Commercial disc which must be purchased via the Commercial B2B site