We have had a CubePro since March. It is capable of very good prints. But we had great difficulty with the filament. It breaks frequently. I counted 17 breaks in one cartridge over time. It was broken in 3 places at once as we attempted one print job.
When it breaks like this it is very difficult to get out of the tube. The last cartridge I attempted to use was tangled up and would not come out of the cartridge. This was a new cartridge still in a sealed foil container. The other problem is clogged print jets.
I am dealing with one now. We may have to replace the print jet assembly again. It is very difficult to thread the filament into the print jet to begin with.