EPSON Ink Maintenance Box for WorkForce 3520/3530/3540/3620/7010/7510/7520/7110/ Print Technology: Inkjet Compatibility: Epson WorkForce Printers: WF-7610DWF WF-7110DTW WF-3620DWF WF-3520DWF WF-3520 WF-3530 WF-3540 WF-3620 WF-3640 WF-7610 WF-7620 Pro WF-R5690 WF-3010 WF-7110