I purchased my 3D Chameleon a couple of months ago, and haven't really been able to get it to work. My T1 seems to skip a whole lot, so I've tried to use T2 and T3 instead. However, whether I'm manually pushing the button to load and unload, or if the g-code does it when trying to print, it seems that the shorter press to unload the filament actually loads it, and the longer press to load the filament actually unloads it.
So I'm in a position where T0 works as intended, T1 skips and is unusable, and T2 and T3 don't work as intended. Instead of multi-color, I still only have access to print one color.