The advantages are
1) Easy to Refill
2) Environment Friendly
3) No more Ink Cartridge purchasing. No more Cartridge replacement. Refillable ink Tank allows countless refills.
4) Easy Installation. Anyone can do it within 5 minutes.
5) Use Dye, Pigment, or Sublimation ink as you wish.
6) Don't require you to "pump the ink" to let it work.
7) If you run out of the ink, you will only need to buy the refill ink for this system. Simply pour the new ink into the tank.
8) No sponge. No drilled holes