no1. Independent development design lead edge feed system, suitable for all kinds of cartons, fast and precise. 2. Automatically clean the dust to improve the printing quality. 3. Side-jogger adjusted by computer. 4. Continue or skip feed with feed counter. 5. Rear line automatically adjusted by computer. 6. Motorized unit open and close, audible alarm while moving to ensure safety. 7. Pneumatic lock all units operation, main motor is inter- locked. 8. Automatic zero setting. 9. Touch screen, accept 8000 orders one time. Fast and easy.