Feature:Compatible Cartratus:Empty Bulk Packaging:Yes Colored:Yes Item:Refill ink cartr:Auto reset chip (permanent use) CartrWorkForce WF-3620DWF WF-3640DTWF WF-7110DTW WF-7610DWF WF-7620DTWF Printer:For Epson workforce w 7620 Color:4colors Volume:BK:50ml C,M,Y :15 ml Ink type:Pigment ink Dye ink