Reusable Empty Ink Cartridge: The printer cartridge is equipped with one time chip, which can be refilled and used multiple times Note: 1. Please confirm your printer ink cartridge type before purchasing. 2. When there is about 10% ink left in the ink tank, please refill soon, otherwise the chip might be damaged. 3. These ink cartridges are empty, you just fill ink full into cartridge by syringe, no need use vacuum refill method Fillable Capacity & See Through Design: Our empty ink cartridges have two different specifications, The sublimation cartridge is designed with a perspective effect, which is convenient for you to add ink in time