
1.Take out needle cartridge in the sterilized packaging3.Lock the needle cartridge by turning it to the clockwisecounterPreparation2.Fitting round slot 1 into 2 of machine, push needle cartridge horizontally up to the end.4.Turn the needle cartridge clockwise and then push out horizontally if you want to remove it.How to operate5.Start the Dr.pen M8Press the power button for 2-3 seconds to start or shut down the deviceAttentionIn order to protect the well,do not invert the instrument to prevent the liquid backflowinstrument