( It is not genuine / original item, it made by 3rd-party manufacturer! ) Empty Refillable Ink Cartridges with auto reset chips !!!Replacement For ink cartridge models : PGI-270 Pigment Black;CLI-271BLACK/ CYAN/MAGENTA/YELLOW/ Compatible For printer models : MG5720 MG5721 MG5722 MG6820 MG6821 MG6822 TS6020 TS5020 PGI270 Package includes: 1 x PGI270 PGBK Empty refillable ink cartridge with arc chip 1 x CLI271 BK Empty refillable ink cartridge with arc chip 1 x CLI271 C Empty refillable ink cartridge with arc chip 1 x CLI271 M Empty refillable ink cartridge with arc chip 1 x CLI271 Y Empty refillable ink cartridge with arc chipNote: 1)New user please browse the manual before filling ink 2)Please keep the orange base in you hand. Need re-install it when refill ink next time.