These printers use the T212XL420-S cartridge:
Epson Expression Home XP-4100
Epson Expression Home XP 4100 SMAll In One Printer
Epson Expression Home XP-4105
Epson Expression Home XP 4105 SMAll In One Printer
Epson WorkForce WF-2830
Epson Workforce WF 2830 All In One Printer
Epson WorkForce WF-2850
Epson Workforce WF 2850 All In One Printer