The Silhouette Cameo 4 features: 3xs the speed of the Cameo 3, a LED lit touch panel, 5000 grams of force vs. 250 grams in the Cameo 3, built in roll feeder, built in vinyl trimmer, upgraded one click auto blade, tool detection, dual motor system, built in cross cutter, and more. For technical support please contact us for help. Please note the software defaults to a depth of 1 for cutting vinyl and heat transfer. You will need to set the depth to 2. Also, the machine can have a grinding noise during use, this is normal.