Refill Printer Cartridges_#3. Insert needle into 1 of the holes in the cartridge. If it hits sponge, you’re in the right hole #4.Slooowly fill the sponge w/ink. If it starts to come out the hole you’re filling too fast. Let it sink in, then start again #5.Attach sticker to SIDE of the cartridge, not the originally top. The cartridge will need to suck air to work so you can’t cover up the holes again.#6.Insert cartridge back into printer #7. WAIT 8 hs. You need to allow the sponge time to absorb all the ink evenly

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