1. Automatic take up system, Apply to any printer. 2. Removable main parts, suitable for paper core with different length. Motor equip with clockwise and anti-clockwise, Achieve the Internal model and External mode. 3. Both 2 inches (¦Õ48mm-¦Õ53mm) and 3 inches(¦Õ75mm-¦Õ80mm) are available for the paper core. 4. Adjustable torque. Diameter and weight of media are constantly changing in the process of rolling. Adjust the torque to control the rolling strength. 5. Segmented bar, Reduce volume. Increase the supporting feet to better support and reinforce the system. 6. Specially designed linking slab, fixed on the printers¡¯ feet without punching. Apply to any printer.