3D Systems CubePro Manual - Page 5
Browse online or download pdf Manual for 3D Printers 3D Systems CubePro. 3D Systems CubePro 11 pages. Unjamming extruder
Also for 3D Systems CubePro: Original Instructions Manual (18 pages), Original Instructions Manual (12 pages)
The section of filament will look like that shown in the picture below:
Cut the filament above the section removed from extruder