1)Prefilled Refillable Ink Cartridge Replacement for Canon PGI-250XL CLI-251XL Ink Cartridge 2)Include 5 Prefilled Ink Cartridges and 5 Bottles Inks (Not include Gray ) PGI-250 Black x 1pc, CLI-251 Black x 1, CLI-251 Cyan x 1pc, CLI-251 Magenta x 1pc, CLI-251 Yellow x 1pc PG- Black Ink x 100ml Black Ink x 100ml Cyan Ink x 100ml Magenta Ink x 100ml Yellow Ink x 100ml 3)The Ink Cartridges Come With Auto Reset Chips / Rechargeable Chips 4)The Ink Cartridge can be refilled again and again. 5) Compatible for printers : Canon PIXMA MX922, Canon PIXMA MG7520, Canon PIXMA MG5520 Canon PIXMA MG5420, Canon PIXMA MG7120, Canon PIXMA MG6320 Canon PIXMA MG6620, Canon PIXMA MG5620, Canon PIXMA IP7220 Canon PIXMA IX6820, Canon PIXMA IP8720, Canon PIXMA MG6420 Canon PIXMA MX722, Canon PIXMA MG5422, Canon PIXMA MG5522 (If your printer model is MG6320 MG7120 MG7520 IP8720, it needs individually pack of gray cartridges.)5) Replacement For : MG5522 ink,mg6620 ink ,mg6620 ink cartridges,mx922,mx922 ink cartridges, canon mx922 ink cartridges , mx922 printer , canon mx922 ink cartridges , canon 251 ink cartridges,IP7220, mx722,mx722 ink , mg5520 ink, mg5520 ink cartridges,mg5620 ink, mg5620 ink cartridges, mg5620 canon , mg6420 ink, mg6620 ink cartridges. 4) How to Reset Chips: When the chip totally run out,and shows"x" on the screen,then take the cartridge out,filling ink about 90% full,and then re-install it back again.Press the red lighting button,then the printer will come to self-cleaning procedure,so you will see the chip works again. Throughout the process,please keep the printer turn on. 5) Can be Filled with Dye Ink many many times . 1 set Refillable Ink Cartridge = N sets compatible ink cartridge , 90% cost saving , Reduce 90% pollution. 3) Compatible with Printers Canon PIXMA MG5420 IP7220 MX722 MX922 MG5520 MG6420 MG5620 MG6620 MG5522 iX6820 ip8720 printers. 2) The Ink Cartridges Come With Auto Reset Chips / Rechargeable Chips, and Prefilled With Ink, 5 colors ( PGBK, BK , C, M ,Y). 1) NOT edible Ink ! NOT comestible Ink !! NON-Edible Ink !! The Ink Cartridges were prifilled with Dye Ink. All bottle inks are Dye Ink. PGI-250XL CLI-251XL Ink Refill Kits,Include ( PGI-250 PG Black, CLI-251 Black, CLI-251 Cyan, CLI-251 Magenta, CLI-251 Yellow & 5 Bottles Inks PG-Black x 100ml,Black x 100ml, Cyan x 100ml, Magenta x 100ml, Yellow x 100ml & 5 sets Refill tools ) ;.