When using this machine, you must ensure that the machine and the cylinder are connected in place. Can put 30-40kg of paper in the machine, effect must better when you put more. If the machine is damaged, and do not disassemble the machine and contact with your supplier to repair the machine. The consumables used in the machine are paper, CO2. If you want to put something like a piece of petals that are heavier than scraps of paper, please note that the spray height may be reduced a little bit. When using the machine, please check the CO2 whether enough, the bottle must put down and keep flat, the effect will be better.