Usually, inner core diameter of paper reel is 75 mm of International standard.
Put paper roll on top paper guiding shaft, paper roll is fixed by 2 cones
anchors (inner and outer), inner anchor is screw fixed type and outer anchor is
movable type. Tum to loosen outer anchor and put paper roll into paper
guiding shaft, insert paper roll to inner anchor, then turn to tighten outer
anchor. Then pull out paper according to indicated direction through paper
guiding rollers into bag former. You should inspect side line of paper width
if it follows bag former side line before package material film into bag
former. If it is too much different, loosen inner anchor to adjust it to proper
position then tighten two anchors