TBTeekInk Cartridge Chip Connector Holder 2Pcs CSIC Assy for EC-C7000 EC-4040 EC-4020 EC-4030 WF-7820 WF-7840 WF-4730 WF-4720 WF-4740 WF-4734 WF-7820 WF-7840 XP-4100 XP-4105

TBTeek Ink Cartridge Chip Connector Holder 2Pcs CSIC Assy for EC-C7000 EC-4040 EC-4020 EC-4030 WF-7820 WF-7840 WF-4730 WF-4720 WF-4740 WF-4734 WF-7820 WF-7840 XP-4100 XP-4105

EPSON 812 DURABrite Ultra Ink High Capacity Black & Standard Color Cartridge Combo Pack (T812XL-BCS) Works with WorkForce Pro WF-7310, WF-7820, WF-7840, WorkForce EC-C7000