I love it when customers come in the store and they just tried to refill their own cartridge.. What made it even better is I had a lobby full of customers and she came walking in and said out loud.. NEVER REFILL YOUR OWN CARTRIDGE!!! Or you will turn out looking like me. ( I wish I could of gotten a picture of this lady.) she took a hp 88xl cartridge fill her syringe up to 60ML + put it in the outlet tube and started to fill. She got all the 60ML in the cartridge and pulled the syringe out and all the ink came shooting out of the cartridge got all over her. ( hair, face, shirt, pants,)

She made my day 100% better.