These printers use the T277XL220 cartridge:
Epson Expression Photo XP-55
Epson Expression Photo XP-55 SMAll In One
Epson Expression Photo XP-750 SMAll In One
Epson Expression Photo XP-760
Epson Expression Photo XP-760 SMAll In One
Epson Expression Photo XP-850
Epson Expression Photo XP-850 SMAll In One
Epson Expression Photo XP-860
Epson Expression Photo XP-860 SMAll In One
Epson Expression Photo XP-950
Epson Expression Photo XP-950 SMAll In One
Epson Expression Photo XP-960
Epson Expression Photo XP-960 SMAll In One
Epson Expression Photo XP-970
Epson Expression Premium XP-760 SMAll In One