specifications 1.It can break the electricity and can be also replacement. 2.After you refill ink,you should restart the printer.Then it can work Cartridges Model: Capacity :130ml C9370A Photo Black C9371A Cyan C9372A Magenta C9373A Yellow C9374A Gray C9403A Matte Black Capacity:69ml C9397A Photo Black C9398A Cyan C9399A Magenta C9400A Yellow C9401A Gray Advantages 1.It can protect the environment. 2.It can reduce the cost of the printing