Gigablock Bulk Continuous Ink System (CIS) for: Epson Stylus CX5000 CX7400 CX8400 and NX200 NX215 NX400 NX415 All-in-One Printer (Related Cartridge # : T069120, T069220, T069320, T069420) Related Printer: Epson CX5000 CX7400 CX8400 NX400 Cartridge Number: T0691 ~ T0694 Pre-filled with 100ml x 4 colors = 400ml of premium UV Resistant dye based Ink . Permanent Chip 80% Saving on individual Inkjet Cartridge.