These printers use the C734A1YG cartridge:

Lexmark C 734
Lexmark C 734 DN
Lexmark C 734 DTN
Lexmark C 734 DW
Lexmark C 734 N
Lexmark C 736
Lexmark C 736 DN
Lexmark C 736 DTN
Lexmark C 736 N
Lexmark X 734
Lexmark X 734 DE Color MFP
Lexmark X 734 DE
Lexmark X 736
Lexmark X 736 DE Color MFP
Lexmark X 736 DE
Lexmark X 738
Lexmark X 738 DE Color MFP
Lexmark X 738 DE
Lexmark X 738 DTE
Lexmark XS 736 DE
IBM InfoPrint Color 1834
IBM InfoPrint Color 1834 DN 30PPM
IBM InfoPrint Color 1834 DW 30PPM
IBM InfoPrint Color 1834 N 30PPM
IBM InfoPrint Color 1834-30PPM
IBM InfoPrint Color 1834 DN
IBM InfoPrint Color 1834 DW
IBM InfoPrint Color 1834 N
IBM InfoPrint Color 1846
IBM InfoPrint Color 1846 MFP 30PPM
IBM InfoPrint Color 1846 MFP
IBM InfoPrint Color 1854
IBM InfoPrint Color 1854 DN 35PPM
IBM InfoPrint Color 1854 N 35PPM
IBM InfoPrint Color 1854-35PPM
IBM InfoPrint Color 1854 DN
IBM InfoPrint Color 1854 N
IBM InfoPrint Color 1856
IBM InfoPrint Color 1856 MFP 35PPM
IBM InfoPrint Color 1856 MFP
IBM InfoPrint Color 1866
IBM InfoPrint Color 1866 MFP 35PPM
IBM InfoPrint Color 1866 MFP