With light eyes under the paper roll, the machine will be stopped when out of bottom-paper, avoiding the waste in paper. Gear drive is adopted to avoid the defect of loose gap of chain drive. This device adopt non-contact multi-point light control switch (such as in paper holder, glass tube ,bottom paper and so on, according to customer demand). It can detect working situation, then achieve a fault alarm preventing machine from collision, makes the machine more stable and longevous. Paper tube station uses independent cam to handle glass holder. This is advanced in stability and will not make noise when it works. The machine is equipped with gear motor simplifies the complicated system and makes the machine more stable. Optional ultrasonic sealing and collecting station.