Universal Empty Refillable Ink Cartridges with auto reset chips !!! ** It is not genuine / original item, it made by 3rd-party manufacturer! ** Attention: 1) Empty ink cartridges (without ink), user need to filling ink before using ! 2) The auto reset chip (ARC) will reset chip ink level when printer indicate a empty ink level(red "x" sign). Take off and re-install ink cartridge will activate the auto reset function. 3)New user please browse the manual before filling ink. 4)Please keep the orange base in you hand. Need re-install it when refill ink next time. The package includes: One set empty refillable ink cartridge 5 colors = PGBK+BK+C+M+Y . 1piece each color PGI-X50 / CLI-X51 universal refillable ink cartridge Compatible for the ink cartridge and printer model listed as below: Ink model: PGI-150 / CLI-151 (Latin America); Printer model: IP7210 MG5410 MX921 Ink model: PGI-250 / CLI-251 (North America); Printer model: IP7220 IP8720 MX922 MX722 iX6800 iX6820 MG5420 MG5520 MG5522 MG5620 MG6320 MG6420 MG6620 MG7120 MG7520 Ink model: BCI-350 / BCI-351 (Japan); Printer model: IP7230 IP8730 MG5430 MG5630 MX923 MX723 Ink model: PGI-450 / CLI-451 (Russian/Ukraine/Africa/Middle East); Printer model: IP7240 MG5440 MG5540 MG5640 MG6440 MG6640 MX724 MX924 IX6840 Ink model: PGI-550 / CLI-551 (Europe); Printer model: IP7250 MG5400 MG5450 MG5550 MG5650 MG6450 MG6650 MX725 MX925 IX6850 Ink model: PGI-650 / CLI-651 (Oceania); Printer model: IP7260 MG5460 MG5560 MG5660 MG6460 MG6660 MX726 MX926 IX6860 Ink model: PGI-750 / CLI-751 (Asia); Printer model: IP7270 MG5470 MG5570 MG5670 MG6470 MX727 MX927 IX6770 IX6870