Machine serial numbers allow you to register your specific machine to your Silhouette account.
Locating the Serial Number
Cutting machine (Cameo, Portrait, or Curio) - found on the back of the machine on the left-hand side
3D printer (Alta or Alta Plus) - found on the bottom of the machine (underside of the base)
Stamp printer (Mint) - found on the bottom of the machine (underside of the base)
Auto Sheet Feeder (A3 Plus version) - found on the bottom of the machine (underside of the base)Auto Sheet Feeder (A4 version) - found on the bottom of the machine (underside of the base)