Go back and re-read the comments. Parameter Display must be set to ALL as I previously instructed. The option is there. Also, in the future you need to make sure you clarify to others if you are using the single or dual extruder print head; it is a very important distinction to make that changes the troubleshooting available to you. This screenshot is from Luban 4.10.1 with Dual Extruder print head on the SM 2.0 series machines.