1) Empty Refillable Ink Cartridges Replacement For Ep 27 / 27XL / 27XXL Ink Cartridges, Include 4 colours ( T2711 Black, T2712 Cyan, T2713 Magenta, T2714 Yellow )
2) Ink Cartridge With Auto Reset Chips / Rechargeable Chips. The Chip data can reset full after it will totally run out. Can reset again and again.
3) Compatible printers: Ep WorkForce WF-3620DWF WF-3640DTWF WF-7110DTW WF-7610DWF WF-7620DTWF WF-7720DTWF WF-7715DWF WF-7710DWF WF-7210DTWF Printer
4) How to Reset Chips: The Cartridges come with Auto Reset Chips. When the chip totally run out,and shows"x" on screen , keep the printer turn on,then take the cartridge out,after about 3-5 seconds,re-install the cartridge back again, press the red buttons on printer.After that, the printer will come to self-cleaning procedure, and then the chip will reset full again.
5) Can be Filled with Dye Ink,Pigment Ink, Sublimation Ink,edible Ink . 1 set Refillable Ink Cartridge = N sets compatible ink cartridge , 90% cost saving , Reduce 90% pollution,protect the earth together.