1set cartridge chip for T7861 refill ink cartridge for epson Pro WF-4630DWF WF-4640DTWF WF-5190DW WF-5620DWF WF-5690DWF WF-5110DW 1set Cartridge Chip for T7861 Refill Ink Cartridge for T786 T786XL We suggest install this chip on easy refill ink cartridge/ refillable ink cartridge For other type ink cartridge users, make sure you can fit the chip on you ink cartridge. The 786XL chip printing quantity: Black 2600pages , Cyan / Magenta / Yellow 2000pages/each color ( tested by A4 size paper 5% cover) Product contents: 1 chip of each color black, cyan, magenta, yellow (For One Time Use) Compatible With WorkForce Pro WF-5620 WF-5690 WF-5190 WF-4630 WF-4640 WF-5110 Printers