These printers use the C780H2YG cartridge:

Lexmark C 780

Lexmark C 780 DN

Lexmark C 780 DTN

Lexmark C 780 N

Lexmark C 782

Lexmark C 782 DN

Lexmark C 782 DN XL

Lexmark C 782 DTN

Lexmark C 782 DTN XL

Lexmark C 782 N

Lexmark C 782 N XL

Lexmark X 780

Lexmark X 782 E 35 Color MFP

Lexmark X 782 E