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