Features: 1.Comes with ink hole, can be refilled with ink 2.With vent holes, pull out the vent rubber plug before the machine, the ink is smooth 3.Comes with a cyclic reset chip, which can be reset and reused after plugging and unplugging 4.The product can fit for WorkForce WF?3620/WF?3640/WF?7110/WF?7610/WF?7620 all?in?one printer 5.Including black, blue, red and yellow colors, can meet different needs specification:Item Type: Ink Cartridge Set Compatible: For 252XL ink cartridge Compatible Ink Cartridge Product Model: T252XL1 T252XL2 T252XL3 T252XL4 Applicable Printer Brand Models: for WorkForce WF-3620 / WF-3640 / WF-7110 / WF-7610 / WF-7620 All-in-One Printer Color: Black, blue, red, yellow Ink Cartridge Capacity: BK 32ML, C M Y 18.2ML(each) Fillability: Can be filled Type: Compatible Corresponding Original Model: for 252XL PackageList:1 Set Ink Cartridge(including 4 colors) NotePlease tear off the pull tab on the ink cartridge before loading it into the printer