... of the vacuum refill tool to the cartridge (Must insert the cartridge upwards tightly, or the ink spill sometimes ... ) 3.Inverse the position, fix-up the cartridge, draw out the inside gallbladder of the vacuum ... refill tool (Must firm the cartridge, not too emphatic to take out the canister ... done to avoid spurt the ink from the cartridge because of the heavy pressure) 6. Finish ...