Penerangan
BEFORE REPLACING NEW CARTRIDGE ,MAKE SURE THE USED ONE IS EMPTY.
1.UNSCREW THE TAIL CAP.
2.HOLD THE BARREL WITH WITH TIP POINTING UPWARDS,THEN REMOVE THE EMPTY CARTRIDGE CAREFULLY.
3.FIRMLY INSERT A NEW CARTRIDGE AND PUSH IT IN STRAIGHT.
4.SCREW THE TAIL CAP TIGHTLY.
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