Lexmark
40X5118
is compatible in the following Printer Models:
Lexmark Color Laser
Lexmark C734n (5026-210)
Lexmark C734dn (5026-230)
Lexmark C734dtn (5026-230)
Lexmark C734dw (5026-280)
Lexmark C736n (5026-410)
Lexmark C736dn (5026-430)
Lexmark C736dtn (5026-430)
Lexmark CS736dn (5026-439)